22055480 has 16 divisors (see below), whose sum is σ = 49624920. Its totient is φ = 8822176.

The previous prime is 22055377. The next prime is 22055489. The reversal of 22055480 is 8455022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22055489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275654 + ... + 275733.

Almost surely, 2^22055480 is an apocalyptic number.

22055480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22055480 is an abundant number, since it is smaller than the sum of its proper divisors (27569440).

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

22055480 is a wasteful number, since it uses less digits than its factorization.

22055480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551398 (or 551394 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 22055480 is about 4696.3262237626. The cubic root of 22055480 is about 280.4392764695.

The spelling of 22055480 in words is "twenty-two million, fifty-five thousand, four hundred eighty".