22053812 has 12 divisors (see below), whose sum is σ = 42102816. Its totient is φ = 10024440.

The previous prime is 22053799. The next prime is 22053827. The reversal of 22053812 is 21835022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250568 + ... + 250655.

It is an arithmetic number, because the mean of its divisors is an integer number (3508568).

Almost surely, 2^22053812 is an apocalyptic number.

22053812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22053812 is a deficient number, since it is larger than the sum of its proper divisors (20049004).

22053812 is a wasteful number, since it uses less digits than its factorization.

22053812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501238 (or 501236 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 22053812 is about 4696.1486347857. The cubic root of 22053812 is about 280.4322066543.

Adding to 22053812 its reverse (21835022), we get a palindrome (43888834).

The spelling of 22053812 in words is "twenty-two million, fifty-three thousand, eight hundred twelve".