53319222 has 40 divisors (see below), whose sum is σ = 130340232. Its totient is φ = 16156800.

The previous prime is 53319193. The next prime is 53319223. The reversal of 53319222 is 22291335.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53319223) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13179 + ... + 16742.

Almost surely, 2^53319222 is an apocalyptic number.

53319222 is an abundant number, since it is smaller than the sum of its proper divisors (77021010).

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

53319222 is a wasteful number, since it uses less digits than its factorization.

53319222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29946 (or 29937 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 53319222 is about 7302.0012325389. The cubic root of 53319222 is about 376.3812104413.

The spelling of 53319222 in words is "fifty-three million, three hundred nineteen thousand, two hundred twenty-two".