22157683402 has 8 divisors (see below), whose sum is σ = 33261958656. Its totient is φ = 11070363852.

The previous prime is 22157683393. The next prime is 22157683451. The reversal of 22157683402 is 20438675122.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4235658 + ... + 4240885.

It is an arithmetic number, because the mean of its divisors is an integer number (4157744832).

Almost surely, 2^22157683402 is an apocalyptic number.

22157683402 is a deficient number, since it is larger than the sum of its proper divisors (11104275254).

22157683402 is a wasteful number, since it uses less digits than its factorization.

22157683402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8477852.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 22157683402 in words is "twenty-two billion, one hundred fifty-seven million, six hundred eighty-three thousand, four hundred two".