22276152 has 24 divisors (see below), whose sum is σ = 60331440. Its totient is φ = 7425360.

The previous prime is 22276129. The next prime is 22276153. The reversal of 22276152 is 25167222.

22276152 is a `hidden beast` number, since 22 + 27 + 615 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22276153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154624 + ... + 154767.

It is an arithmetic number, because the mean of its divisors is an integer number (2513810).

Almost surely, 2^22276152 is an apocalyptic number.

It is an amenable number.

22276152 is an abundant number, since it is smaller than the sum of its proper divisors (38055288).

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

22276152 is a wasteful number, since it uses less digits than its factorization.

22276152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309403 (or 309396 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 22276152 is about 4719.7618583992. The cubic root of 22276152 is about 281.3714687167.

The spelling of 22276152 in words is "twenty-two million, two hundred seventy-six thousand, one hundred fifty-two".