97222356 has 168 divisors, whose sum is σ = 318771264. Its totient is φ = 25194240.

The previous prime is 97222331. The next prime is 97222361. The reversal of 97222356 is 65322279.

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

It is a self number, because there is not a number n which added to its sum of digits gives 97222356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 224316 + ... + 224748.

It is an arithmetic number, because the mean of its divisors is an integer number (1897448).

Almost surely, 2^97222356 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 97222356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159385632).

97222356 is an abundant number, since it is smaller than the sum of its proper divisors (221548908).

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

97222356 is a wasteful number, since it uses less digits than its factorization.

97222356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 456 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 97222356 is about 9860.1397556018. The cubic root of 97222356 is about 459.8209069678.

It can be divided in two parts, 972223 and 56, that added together give a palindrome (972279).

The spelling of 97222356 in words is "ninety-seven million, two hundred twenty-two thousand, three hundred fifty-six".