22941540 has 36 divisors (see below), whose sum is σ = 69589884. Its totient is φ = 6117696.

The previous prime is 22941539. The next prime is 22941559. The reversal of 22941540 is 4514922.

It can be written as a sum of positive squares in 2 ways, for example, as 18249984 + 4691556 = 4272^2 + 2166^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 63547 + ... + 63906.

Almost surely, 2^22941540 is an apocalyptic number.

22941540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22941540 is an abundant number, since it is smaller than the sum of its proper divisors (46648344).

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

22941540 is a wasteful number, since it uses less digits than its factorization.

22941540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127468 (or 127463 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 22941540 is about 4789.7327691636. The cubic root of 22941540 is about 284.1455479566.

The spelling of 22941540 in words is "twenty-two million, nine hundred forty-one thousand, five hundred forty".