22043372 has 24 divisors (see below), whose sum is σ = 42119616. Its totient is φ = 10032768.

The previous prime is 22043353. The next prime is 22043377. The reversal of 22043372 is 27334022.

It is a super-3 number, since 3×22043372³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22043377) 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, 893 + ... + 6699.

It is an arithmetic number, because the mean of its divisors is an integer number (1754984).

Almost surely, 2^22043372 is an apocalyptic number.

It is an amenable number.

22043372 is a deficient number, since it is larger than the sum of its proper divisors (20076244).

22043372 is a wasteful number, since it uses less digits than its factorization.

22043372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897 (or 5895 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 22043372 is about 4695.0369540612. The cubic root of 22043372 is about 280.3879486315.

Adding to 22043372 its reverse (27334022), we get a palindrome (49377394).

The spelling of 22043372 in words is "twenty-two million, forty-three thousand, three hundred seventy-two".