22150656 has 240 divisors, whose sum is σ = 76602240. Its totient is φ = 6082560.

The previous prime is 22150591. The next prime is 22150691. The reversal of 22150656 is 65605122.

22150656 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 0 + 656 = 666.

It is a super-2 number, since 2×22150656² = 981303122460672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 963061 + ... + 963083.

It is an arithmetic number, because the mean of its divisors is an integer number (319176).

Almost surely, 2^22150656 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 22150656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38301120).

22150656 is an abundant number, since it is smaller than the sum of its proper divisors (54451584).

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

22150656 is a wasteful number, since it uses less digits than its factorization.

22150656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 22150656 is about 4706.4483424340. The cubic root of 22150656 is about 280.8420907514.

Adding to 22150656 its reverse (65605122), we get a palindrome (87755778).

The spelling of 22150656 in words is "twenty-two million, one hundred fifty thousand, six hundred fifty-six".