22540916 has 12 divisors (see below), whose sum is σ = 41522880. Its totient is φ = 10677240.

The previous prime is 22540883. The next prime is 22540951. The reversal of 22540916 is 61904522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148220 + ... + 148371.

It is an arithmetic number, because the mean of its divisors is an integer number (3460240).

Almost surely, 2^22540916 is an apocalyptic number.

It is an amenable number.

22540916 is a deficient number, since it is larger than the sum of its proper divisors (18981964).

22540916 is a wasteful number, since it uses less digits than its factorization.

22540916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296614 (or 296612 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 22540916 is about 4747.7274563732. The cubic root of 22540916 is about 282.4818313948.

The spelling of 22540916 in words is "twenty-two million, five hundred forty thousand, nine hundred sixteen".