22877140 has 96 divisors (see below), whose sum is σ = 59552640. Its totient is φ = 7257600.

The previous prime is 22877131. The next prime is 22877149. The reversal of 22877140 is 4177822.

It is an interprime number because it is at equal distance from previous prime (22877131) and next prime (22877149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22877149) 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 31 ways as a sum of consecutive naturals, for example, 54130 + ... + 54550.

It is an arithmetic number, because the mean of its divisors is an integer number (620340).

It is a vampire number, since it can be written as 2717 ⋅ 8420 (with its own digits).

Almost surely, 2^22877140 is an apocalyptic number.

22877140 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 22877140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29776320).

22877140 is an abundant number, since it is smaller than the sum of its proper divisors (36675500).

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

22877140 is a wasteful number, since it uses less digits than its factorization.

22877140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 22877140 is about 4783.0053313790. The cubic root of 22877140 is about 283.8794204778.

The spelling of 22877140 in words is "twenty-two million, eight hundred seventy-seven thousand, one hundred forty".