22046480 has 20 divisors (see below), whose sum is σ = 51258252. Its totient is φ = 8818560.

The previous prime is 22046477. The next prime is 22046491. The reversal of 22046480 is 8464022.

It can be written as a sum of positive squares in 2 ways, for example, as 3625216 + 18421264 = 1904^2 + 4292^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 137711 + ... + 137870.

Almost surely, 2^22046480 is an apocalyptic number.

22046480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22046480 is an abundant number, since it is smaller than the sum of its proper divisors (29211772).

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

22046480 is a wasteful number, since it uses less digits than its factorization.

22046480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275594 (or 275588 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 22046480 is about 4695.3679302053. The cubic root of 22046480 is about 280.4011257563.

The spelling of 22046480 in words is "twenty-two million, forty-six thousand, four hundred eighty".