22275210 has 16 divisors (see below), whose sum is σ = 53460576. Its totient is φ = 5940048.

The previous prime is 22275203. The next prime is 22275217. The reversal of 22275210 is 1257222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22275203) and next prime (22275217).

It is not an unprimeable number, because it can be changed into a prime (22275217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371224 + ... + 371283.

It is an arithmetic number, because the mean of its divisors is an integer number (3341286).

Almost surely, 2^22275210 is an apocalyptic number.

22275210 is an abundant number, since it is smaller than the sum of its proper divisors (31185366).

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

22275210 is a wasteful number, since it uses less digits than its factorization.

22275210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742517.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22275210 is about 4719.6620641737. The cubic root of 22275210 is about 281.3675025071.

The spelling of 22275210 in words is "twenty-two million, two hundred seventy-five thousand, two hundred ten".