22053970 has 16 divisors (see below), whose sum is σ = 40063320. Its totient is φ = 8740224.

The previous prime is 22053923. The next prime is 22053971. The reversal of 22053970 is 7935022.

It can be written as a sum of positive squares in 4 ways, for example, as 19439281 + 2614689 = 4409^2 + 1617^2 .

It is not an unprimeable number, because it can be changed into a prime (22053971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9027 + ... + 11206.

Almost surely, 2^22053970 is an apocalyptic number.

22053970 is a deficient number, since it is larger than the sum of its proper divisors (18009350).

22053970 is a wasteful number, since it uses less digits than its factorization.

22053970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20349.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 22053970 is about 4696.1654570511. The cubic root of 22053970 is about 280.4328763523.

Adding to 22053970 its reverse (7935022), we get a palindrome (29988992).

The spelling of 22053970 in words is "twenty-two million, fifty-three thousand, nine hundred seventy".