1022001002 has 32 divisors (see below), whose sum is σ = 1773394560. Its totient is φ = 436564480.

The previous prime is 1022000999. The next prime is 1022001007. The reversal of 1022001002 is 2001002201.

It is not an unprimeable number, because it can be changed into a prime (1022001007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312158 + ... + 315414.

It is an arithmetic number, because the mean of its divisors is an integer number (55418580).

Almost surely, 2^1022001002 is an apocalyptic number.

1022001002 is a deficient number, since it is larger than the sum of its proper divisors (751393558).

1022001002 is a wasteful number, since it uses less digits than its factorization.

1022001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1022001002 is about 31968.7503978495. The cubic root of 1022001002 is about 1007.2805325416.

Adding to 1022001002 its reverse (2001002201), we get a palindrome (3023003203).

The spelling of 1022001002 in words is "one billion, twenty-two million, one thousand, two".