22395272 has 8 divisors (see below), whose sum is σ = 41991150. Its totient is φ = 11197632.

The previous prime is 22395259. The next prime is 22395277. The reversal of 22395272 is 27259322.

It can be written as a sum of positive squares in only one way, i.e., 20921476 + 1473796 = 4574^2 + 1214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22395277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399697 + ... + 1399712.

Almost surely, 2^22395272 is an apocalyptic number.

It is an amenable number.

22395272 is a deficient number, since it is larger than the sum of its proper divisors (19595878).

22395272 is a wasteful number, since it uses less digits than its factorization.

22395272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799415 (or 2799411 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 22395272 is about 4732.3643139556. The cubic root of 22395272 is about 281.8721147749.

The spelling of 22395272 in words is "twenty-two million, three hundred ninety-five thousand, two hundred seventy-two".