1677022142 has 4 divisors (see below), whose sum is σ = 2515533216. Its totient is φ = 838511070.

The previous prime is 1677022133. The next prime is 1677022147. The reversal of 1677022142 is 2412207761.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1677022099 and 1677022108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1677022147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419255534 + ... + 419255537.

It is an arithmetic number, because the mean of its divisors is an integer number (628883304).

Almost surely, 2^1677022142 is an apocalyptic number.

1677022142 is a deficient number, since it is larger than the sum of its proper divisors (838511074).

1677022142 is an equidigital number, since it uses as much as digits as its factorization.

1677022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838511073.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 1677022142 is about 40951.4608042253. The cubic root of 1677022142 is about 1188.0815880171.

The spelling of 1677022142 in words is "one billion, six hundred seventy-seven million, twenty-two thousand, one hundred forty-two".