213253224 has 16 divisors (see below), whose sum is σ = 533133120. Its totient is φ = 71084400.

The previous prime is 213253213. The next prime is 213253267. The reversal of 213253224 is 422352312.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 8885551 = 213253224 / (2 + 1 + 3 + 2 + 5 + 3 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 213253194 and 213253203.

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, 4442752 + ... + 4442799.

It is an arithmetic number, because the mean of its divisors is an integer number (33320820).

Almost surely, 2^213253224 is an apocalyptic number.

213253224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213253224 is an abundant number, since it is smaller than the sum of its proper divisors (319879896).

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

213253224 is a wasteful number, since it uses less digits than its factorization.

213253224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885560 (or 8885556 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 213253224 is about 14603.1922537505. The cubic root of 213253224 is about 597.4458313550.

The spelling of 213253224 in words is "two hundred thirteen million, two hundred fifty-three thousand, two hundred twenty-four".