22855480 has 128 divisors (see below), whose sum is σ = 60264000. Its totient is φ = 7741440.

The previous prime is 22855477. The next prime is 22855487. The reversal of 22855480 is 8455822.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22855487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374650 + ... + 374710.

Almost surely, 2^22855480 is an apocalyptic number.

22855480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22855480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30132000).

22855480 is an abundant number, since it is smaller than the sum of its proper divisors (37408520).

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

22855480 is a wasteful number, since it uses less digits than its factorization.

22855480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 22855480 is about 4780.7405284119. The cubic root of 22855480 is about 283.7898001576.

22855480 divided by its sum of digits (34) gives a triangular number (672220 = T₁₁₅₉).

The spelling of 22855480 in words is "twenty-two million, eight hundred fifty-five thousand, four hundred eighty".