22142142398 has 16 divisors (see below), whose sum is σ = 34362746880. Its totient is φ = 10689521400.

The previous prime is 22142142359. The next prime is 22142142403. The reversal of 22142142398 is 89324124122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379538 + ... + 433973.

It is an arithmetic number, because the mean of its divisors is an integer number (2147671680).

Almost surely, 2^22142142398 is an apocalyptic number.

22142142398 is a deficient number, since it is larger than the sum of its proper divisors (12220604482).

22142142398 is a wasteful number, since it uses less digits than its factorization.

22142142398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813983.

The product of its digits is 55296, while the sum is 38.

The spelling of 22142142398 in words is "twenty-two billion, one hundred forty-two million, one hundred forty-two thousand, three hundred ninety-eight".