22129698 has 16 divisors (see below), whose sum is σ = 44920800. Its totient is φ = 7266336.

The previous prime is 22129669. The next prime is 22129711. The reversal of 22129698 is 89692122.

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, 27123 + ... + 27926.

It is an arithmetic number, because the mean of its divisors is an integer number (2807550).

Almost surely, 2^22129698 is an apocalyptic number.

22129698 is an abundant number, since it is smaller than the sum of its proper divisors (22791102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22129698 is a wasteful number, since it uses less digits than its factorization.

22129698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55121.

The product of its digits is 31104, while the sum is 39.

The square root of 22129698 is about 4704.2212958151. The cubic root of 22129698 is about 280.7534892243.

The spelling of 22129698 in words is "twenty-two million, one hundred twenty-nine thousand, six hundred ninety-eight".