22380537 has 16 divisors (see below), whose sum is σ = 31518720. Its totient is φ = 14086800.

The previous prime is 22380521. The next prime is 22380569. The reversal of 22380537 is 73508322.

It is not a de Polignac number, because 22380537 - 2⁴ = 22380521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22380577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24112 + ... + 25022.

It is an arithmetic number, because the mean of its divisors is an integer number (1969920).

Almost surely, 2^22380537 is an apocalyptic number.

It is an amenable number.

22380537 is a deficient number, since it is larger than the sum of its proper divisors (9138183).

22380537 is a wasteful number, since it uses less digits than its factorization.

22380537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 22380537 is about 4730.8072249881. The cubic root of 22380537 is about 281.8102818301.

Adding to 22380537 its reverse (73508322), we get a palindrome (95888859).

The spelling of 22380537 in words is "twenty-two million, three hundred eighty thousand, five hundred thirty-seven".