22366938 has 16 divisors (see below), whose sum is σ = 48800736. Its totient is φ = 6777840.

The previous prime is 22366937. The next prime is 22366943. The reversal of 22366938 is 83966322.

It is a junction number, because it is equal to n+sod(n) for n = 22366896 and 22366905.

It is not an unprimeable number, because it can be changed into a prime (22366937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169381 + ... + 169512.

It is an arithmetic number, because the mean of its divisors is an integer number (3050046).

Almost surely, 2^22366938 is an apocalyptic number.

22366938 is an abundant number, since it is smaller than the sum of its proper divisors (26433798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22366938 is a wasteful number, since it uses less digits than its factorization.

22366938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338909.

The product of its digits is 93312, while the sum is 39.

The square root of 22366938 is about 4729.3697254497. The cubic root of 22366938 is about 281.7531918312.

It can be divided in two parts, 223 and 66938, that added together give a triangular number (67161 = T₃₆₆).

The spelling of 22366938 in words is "twenty-two million, three hundred sixty-six thousand, nine hundred thirty-eight".