22552650 has 72 divisors (see below), whose sum is σ = 63254880. Its totient is φ = 5749920.

The previous prime is 22552637. The next prime is 22552657. The reversal of 22552650 is 5625522.

22552650 is a `hidden beast` number, since 2 + 2 + 5 + 5 + 2 + 650 = 666.

It is a super-3 number, since 3×22552650³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22552657) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9261 + ... + 11439.

It is an arithmetic number, because the mean of its divisors is an integer number (878540).

Almost surely, 2^22552650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22552650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31627440).

22552650 is an abundant number, since it is smaller than the sum of its proper divisors (40702230).

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

22552650 is a wasteful number, since it uses less digits than its factorization.

22552650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 22552650 is about 4748.9630447078. The cubic root of 22552650 is about 282.5308395601.

The spelling of 22552650 in words is "twenty-two million, five hundred fifty-two thousand, six hundred fifty".