97202240 has 56 divisors (see below), whose sum is σ = 234132120. Its totient is φ = 38432768.

The previous prime is 97202239. The next prime is 97202257. The reversal of 97202240 is 4220279.

It can be written as a sum of positive squares in 4 ways, for example, as 16777216 + 80425024 = 4096^2 + 8968^2 .

It is a super-2 number, since 2×97202240² = 18896550922035200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26774 + ... + 30186.

Almost surely, 2^97202240 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 97202240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117066060).

97202240 is an abundant number, since it is smaller than the sum of its proper divisors (136929880).

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

97202240 is a wasteful number, since it uses less digits than its factorization.

97202240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519 (or 3509 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 97202240 is about 9859.1196361541. The cubic root of 97202240 is about 459.7891913702.

The spelling of 97202240 in words is "ninety-seven million, two hundred two thousand, two hundred forty".