1002354221 has 8 divisors (see below), whose sum is σ = 1157799744. Its totient is φ = 857629120.

The previous prime is 1002354163. The next prime is 1002354233. The reversal of 1002354221 is 1224532001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002354221 - 2¹⁰ = 1002353197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002354193 and 1002354202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002354251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2679905 + ... + 2680278.

It is an arithmetic number, because the mean of its divisors is an integer number (144724968).

Almost surely, 2^1002354221 is an apocalyptic number.

1002354221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002354221 is a deficient number, since it is larger than the sum of its proper divisors (155445523).

1002354221 is a wasteful number, since it uses less digits than its factorization.

1002354221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360211.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1002354221 is about 31659.9782217234. The cubic root of 1002354221 is about 1000.7841253201.

Adding to 1002354221 its reverse (1224532001), we get a palindrome (2226886222).

The spelling of 1002354221 in words is "one billion, two million, three hundred fifty-four thousand, two hundred twenty-one".