22369878 has 32 divisors (see below), whose sum is σ = 52329600. Its totient is φ = 7063848.

The previous prime is 22369871. The next prime is 22369889. The reversal of 22369878 is 87896322.

It is a super-2 number, since 2×22369878² = 1000822883469768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22369871) 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 15 ways as a sum of consecutive naturals, for example, 9876 + ... + 11927.

It is an arithmetic number, because the mean of its divisors is an integer number (1635300).

Almost surely, 2^22369878 is an apocalyptic number.

22369878 is an abundant number, since it is smaller than the sum of its proper divisors (29959722).

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

22369878 is a wasteful number, since it uses less digits than its factorization.

22369878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21833 (or 21827 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 22369878 is about 4729.6805388948. The cubic root of 22369878 is about 281.7655362134.

The spelling of 22369878 in words is "twenty-two million, three hundred sixty-nine thousand, eight hundred seventy-eight".