51922224 has 120 divisors (see below), whose sum is σ = 154713312. Its totient is φ = 16220160.

The previous prime is 51922219. The next prime is 51922261. The reversal of 51922224 is 42222915.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201904 + ... + 202160.

Almost surely, 2^51922224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51922224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77356656).

51922224 is an abundant number, since it is smaller than the sum of its proper divisors (102791088).

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

51922224 is a wasteful number, since it uses less digits than its factorization.

51922224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 346 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 51922224 is about 7205.7077376202. The cubic root of 51922224 is about 373.0649332194.

The spelling of 51922224 in words is "fifty-one million, nine hundred twenty-two thousand, two hundred twenty-four".