22783480 has 32 divisors (see below), whose sum is σ = 51470640. Its totient is φ = 9076480.

The previous prime is 22783477. The next prime is 22783573. The reversal of 22783480 is 8438722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10227 + ... + 12253.

Almost surely, 2^22783480 is an apocalyptic number.

22783480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22783480 is an abundant number, since it is smaller than the sum of its proper divisors (28687160).

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

22783480 is a wasteful number, since it uses less digits than its factorization.

22783480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 22783480 is about 4773.2043744219. The cubic root of 22783480 is about 283.4914857153.

The spelling of 22783480 in words is "twenty-two million, seven hundred eighty-three thousand, four hundred eighty".