22809460 has 24 divisors (see below), whose sum is σ = 48577536. Its totient is φ = 8994720.

The previous prime is 22809421. The next prime is 22809463. The reversal of 22809460 is 6490822.

It is a super-3 number, since 3×22809460³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22809463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6612 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (2024064).

Almost surely, 2^22809460 is an apocalyptic number.

22809460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22809460 is an abundant number, since it is smaller than the sum of its proper divisors (25768076).

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

22809460 is a wasteful number, since it uses less digits than its factorization.

22809460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16143 (or 16141 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 22809460 is about 4775.9250412878. The cubic root of 22809460 is about 283.5991998879.

The spelling of 22809460 in words is "twenty-two million, eight hundred nine thousand, four hundred sixty".