22879040 has 112 divisors (see below), whose sum is σ = 59253120. Its totient is φ = 8386560.

The previous prime is 22879039. The next prime is 22879049. The reversal of 22879040 is 4097822.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 22878988 and 22879006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22879049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322205 + ... + 322275.

Almost surely, 2^22879040 is an apocalyptic number.

22879040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22879040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29626560).

22879040 is an abundant number, since it is smaller than the sum of its proper divisors (36374080).

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

22879040 is a wasteful number, since it uses less digits than its factorization.

22879040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22879040 is about 4783.2039471467. The cubic root of 22879040 is about 283.8872792102.

The spelling of 22879040 in words is "twenty-two million, eight hundred seventy-nine thousand, forty".