22940775 has 144 divisors (see below), whose sum is σ = 51996672. Its totient is φ = 9504000.

The previous prime is 22940767. The next prime is 22940779. The reversal of 22940775 is 57704922.

It is not a de Polignac number, because 22940775 - 2³ = 22940767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22940779) 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 143 ways as a sum of consecutive naturals, for example, 740010 + ... + 740040.

It is an arithmetic number, because the mean of its divisors is an integer number (361088).

Almost surely, 2^22940775 is an apocalyptic number.

22940775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22940775 is an abundant number, since it is smaller than the sum of its proper divisors (29055897).

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

22940775 is a wasteful number, since it uses less digits than its factorization.

22940775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 22940775 is about 4789.6529101804. The cubic root of 22940775 is about 284.1423895845.

The spelling of 22940775 in words is "twenty-two million, nine hundred forty thousand, seven hundred seventy-five".