22246372 has 6 divisors (see below), whose sum is σ = 38931158. Its totient is φ = 11123184.

The previous prime is 22246349. The next prime is 22246373. The reversal of 22246372 is 27364222.

It can be written as a sum of positive squares in only one way, i.e., 11329956 + 10916416 = 3366^2 + 3304^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22246372.

It is not an unprimeable number, because it can be changed into a prime (22246373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780793 + ... + 2780800.

Almost surely, 2^22246372 is an apocalyptic number.

It is an amenable number.

22246372 is a deficient number, since it is larger than the sum of its proper divisors (16684786).

22246372 is a wasteful number, since it uses less digits than its factorization.

22246372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561597 (or 5561595 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 22246372 is about 4716.6059831196. The cubic root of 22246372 is about 281.2460284542.

The spelling of 22246372 in words is "twenty-two million, two hundred forty-six thousand, three hundred seventy-two".