22275318 has 32 divisors (see below), whose sum is σ = 48174336. Its totient is φ = 6825888.

The previous prime is 22275313. The next prime is 22275347. The reversal of 22275318 is 81357222.

It is a super-2 number, since 2×22275318² = 992379584002248, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22275313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26655 + ... + 27477.

It is an arithmetic number, because the mean of its divisors is an integer number (1505448).

Almost surely, 2^22275318 is an apocalyptic number.

22275318 is an abundant number, since it is smaller than the sum of its proper divisors (25899018).

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

22275318 is a wasteful number, since it uses less digits than its factorization.

22275318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188.

The product of its digits is 6720, while the sum is 30.

The square root of 22275318 is about 4719.6735056569. The cubic root of 22275318 is about 281.3679572375.

The spelling of 22275318 in words is "twenty-two million, two hundred seventy-five thousand, three hundred eighteen".