22367412 has 18 divisors (see below), whose sum is σ = 56539938. Its totient is φ = 7455792.

The previous prime is 22367407. The next prime is 22367413. The reversal of 22367412 is 21476322.

It can be written as a sum of positive squares in only one way, i.e., 14107536 + 8259876 = 3756^2 + 2874^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×22367412² = 1000602239155488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22367413) 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, 310623 + ... + 310694.

Almost surely, 2^22367412 is an apocalyptic number.

It is an amenable number.

22367412 is an abundant number, since it is smaller than the sum of its proper divisors (34172526).

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

22367412 is a wasteful number, since it uses less digits than its factorization.

22367412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621327 (or 621322 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 22367412 is about 4729.4198375699. The cubic root of 22367412 is about 281.7551821211.

The spelling of 22367412 in words is "twenty-two million, three hundred sixty-seven thousand, four hundred twelve".