213355244 has 6 divisors (see below), whose sum is σ = 373371684. Its totient is φ = 106677620.

The previous prime is 213355243. The next prime is 213355297. The reversal of 213355244 is 442553312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213355243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26669402 + ... + 26669409.

It is an arithmetic number, because the mean of its divisors is an integer number (62228614).

Almost surely, 2^213355244 is an apocalyptic number.

It is an amenable number.

213355244 is a deficient number, since it is larger than the sum of its proper divisors (160016440).

213355244 is a wasteful number, since it uses less digits than its factorization.

213355244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53338815 (or 53338813 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 213355244 is about 14606.6849079454. The cubic root of 213355244 is about 597.5410885418.

The spelling of 213355244 in words is "two hundred thirteen million, three hundred fifty-five thousand, two hundred forty-four".