52272270 has 32 divisors (see below), whose sum is σ = 139393440. Its totient is φ = 13939200.

The previous prime is 52272251. The next prime is 52272271. The reversal of 52272270 is 7227225.

It is a happy number.

52272270 is a `hidden beast` number, since 522 + 72 + 2 + 70 = 666.

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 (52272271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96531 + ... + 97070.

It is an arithmetic number, because the mean of its divisors is an integer number (4356045).

Almost surely, 2^52272270 is an apocalyptic number.

52272270 is an abundant number, since it is smaller than the sum of its proper divisors (87121170).

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

52272270 is a wasteful number, since it uses less digits than its factorization.

52272270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193617 (or 193611 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 52272270 is about 7229.9564314040. The cubic root of 52272270 is about 373.9014248296.

Adding to 52272270 its reverse (7227225), we get a palindrome (59499495).

The spelling of 52272270 in words is "fifty-two million, two hundred seventy-two thousand, two hundred seventy".