213302464 has 28 divisors (see below), whose sum is σ = 430453800. Its totient is φ = 104841728.

The previous prime is 213302443. The next prime is 213302471. The reversal of 213302464 is 464203312.

213302464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213302464² = 90995882296942592, which contains 22 as substring.

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, 24469 + ... + 32020.

It is an arithmetic number, because the mean of its divisors is an integer number (15373350).

Almost surely, 2^213302464 is an apocalyptic number.

It is an amenable number.

213302464 is an abundant number, since it is smaller than the sum of its proper divisors (217151336).

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

213302464 is an equidigital number, since it uses as much as digits as its factorization.

213302464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56560 (or 56550 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 213302464 is about 14604.8780891865. The cubic root of 213302464 is about 597.4918110722.

Adding to 213302464 its reverse (464203312), we get a palindrome (677505776).

The spelling of 213302464 in words is "two hundred thirteen million, three hundred two thousand, four hundred sixty-four".