22099536 has 30 divisors (see below), whose sum is σ = 61848410. Its totient is φ = 7366464.

The previous prime is 22099529. The next prime is 22099543. The reversal of 22099536 is 63599022.

It is an interprime number because it is at equal distance from previous prime (22099529) and next prime (22099543).

It can be written as a sum of positive squares in only one way, i.e., 21902400 + 197136 = 4680^2 + 444^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22099536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76591 + ... + 76878.

Almost surely, 2^22099536 is an apocalyptic number.

It is an amenable number.

22099536 is an abundant number, since it is smaller than the sum of its proper divisors (39748874).

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

22099536 is a wasteful number, since it uses less digits than its factorization.

22099536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153483 (or 153474 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 22099536 is about 4701.0143586252. The cubic root of 22099536 is about 280.6258788537.

The spelling of 22099536 in words is "twenty-two million, ninety-nine thousand, five hundred thirty-six".