97222752 has 72 divisors (see below), whose sum is σ = 301621320. Its totient is φ = 29460480.

The previous prime is 97222747. The next prime is 97222757. The reversal of 97222752 is 25722279.

It is an interprime number because it is at equal distance from previous prime (97222747) and next prime (97222757).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97222757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12177 + ... + 18512.

It is an arithmetic number, because the mean of its divisors is an integer number (4189185).

Almost surely, 2^97222752 is an apocalyptic number.

It is an amenable number.

97222752 is an abundant number, since it is smaller than the sum of its proper divisors (204398568).

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

97222752 is a wasteful number, since it uses less digits than its factorization.

97222752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30716 (or 30705 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 97222752 is about 9860.1598364327. The cubic root of 97222752 is about 459.8215312716.

It can be divided in two parts, 972227 and 52, that added together give a palindrome (972279).

The spelling of 97222752 in words is "ninety-seven million, two hundred twenty-two thousand, seven hundred fifty-two".