22053272 has 8 divisors (see below), whose sum is σ = 41349900. Its totient is φ = 11026632.

The previous prime is 22053271. The next prime is 22053287. The reversal of 22053272 is 27235022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378322 + ... + 1378337.

Almost surely, 2^22053272 is an apocalyptic number.

It is an amenable number.

22053272 is a deficient number, since it is larger than the sum of its proper divisors (19296628).

22053272 is a wasteful number, since it uses less digits than its factorization.

22053272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756665 (or 2756661 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22053272 is about 4696.0911405125. The cubic root of 22053272 is about 280.4299177888.

Adding to 22053272 its reverse (27235022), we get a palindrome (49288294).

The spelling of 22053272 in words is "twenty-two million, fifty-three thousand, two hundred seventy-two".