22195902 has 16 divisors (see below), whose sum is σ = 44490240. Its totient is φ = 7382232.

The previous prime is 22195889. The next prime is 22195981. The reversal of 22195902 is 20959122.

It is a self number, because there is not a number n which added to its sum of digits gives 22195902.

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, 988 + ... + 6735.

It is an arithmetic number, because the mean of its divisors is an integer number (2780640).

Almost surely, 2^22195902 is an apocalyptic number.

22195902 is an abundant number, since it is smaller than the sum of its proper divisors (22294338).

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

22195902 is a wasteful number, since it uses less digits than its factorization.

22195902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8207.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 22195902 is about 4711.2526996543. The cubic root of 22195902 is about 281.0331812406.

The spelling of 22195902 in words is "twenty-two million, one hundred ninety-five thousand, nine hundred two".