244055213 has 8 divisors (see below), whose sum is σ = 267322680. Its totient is φ = 221777920.

The previous prime is 244055197. The next prime is 244055221. The reversal of 244055213 is 312550442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 136352329 + 107702884 = 11677^2 + 10378^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 244055213 - 2⁴ = 244055197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244055243) 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, 247028 + ... + 248013.

It is an arithmetic number, because the mean of its divisors is an integer number (33415335).

Almost surely, 2^244055213 is an apocalyptic number.

It is an amenable number.

244055213 is a deficient number, since it is larger than the sum of its proper divisors (23267467).

244055213 is a wasteful number, since it uses less digits than its factorization.

244055213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495087.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 244055213 is about 15622.2665769087. The cubic root of 244055213 is about 624.9271065921.

The spelling of 244055213 in words is "two hundred forty-four million, fifty-five thousand, two hundred thirteen".