22609692 has 72 divisors (see below), whose sum is σ = 67756416. Its totient is φ = 6457968.

The previous prime is 22609687. The next prime is 22609693. The reversal of 22609692 is 29690622.

It is a super-2 number, since 2×22609692² = 1022396344669728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22609693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5143 + ... + 8465.

Almost surely, 2^22609692 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 22609692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33878208).

22609692 is an abundant number, since it is smaller than the sum of its proper divisors (45146724).

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

22609692 is a wasteful number, since it uses less digits than its factorization.

22609692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 22609692 is about 4754.9649840982. The cubic root of 22609692 is about 282.7688390237.

The spelling of 22609692 in words is "twenty-two million, six hundred nine thousand, six hundred ninety-two".