22251696 has 40 divisors (see below), whose sum is σ = 58024560. Its totient is φ = 7347456.

The previous prime is 22251661. The next prime is 22251709. The reversal of 22251696 is 69615222.

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, 3106 + ... + 7358.

It is an arithmetic number, because the mean of its divisors is an integer number (1450614).

Almost surely, 2^22251696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22251696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29012280).

22251696 is an abundant number, since it is smaller than the sum of its proper divisors (35772864).

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

22251696 is a wasteful number, since it uses less digits than its factorization.

22251696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373 (or 4367 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 22251696 is about 4717.1703382430. The cubic root of 22251696 is about 281.2684625905.

The spelling of 22251696 in words is "twenty-two million, two hundred fifty-one thousand, six hundred ninety-six".