264474220 has 24 divisors (see below), whose sum is σ = 556146864. Its totient is φ = 105646656.

The previous prime is 264474211. The next prime is 264474227. The reversal of 264474220 is 22474462.

264474220 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×264474220² = 139893226089216800, which contains 22 as substring.

264474220 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (264474227) 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, 6907 + ... + 24013.

It is an arithmetic number, because the mean of its divisors is an integer number (23172786).

Almost surely, 2^264474220 is an apocalyptic number.

264474220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264474220 is an abundant number, since it is smaller than the sum of its proper divisors (291672644).

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

264474220 is a wasteful number, since it uses less digits than its factorization.

264474220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17889 (or 17887 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 264474220 is about 16262.6633735068. The cubic root of 264474220 is about 641.8907465733.

The spelling of 264474220 in words is "two hundred sixty-four million, four hundred seventy-four thousand, two hundred twenty".