97220001 has 8 divisors (see below), whose sum is σ = 129729664. Its totient is φ = 64761840.

The previous prime is 97219981. The next prime is 97220003. The reversal of 97220001 is 10002279.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97220001 - 2⁹ = 97219489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97220001.

It is not an unprimeable number, because it can be changed into a prime (97220003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8230 + ... + 16191.

It is an arithmetic number, because the mean of its divisors is an integer number (16216208).

Almost surely, 2^97220001 is an apocalyptic number.

It is an amenable number.

97220001 is a deficient number, since it is larger than the sum of its proper divisors (32509663).

97220001 is a wasteful number, since it uses less digits than its factorization.

97220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25751.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 97220001 is about 9860.0203346646. The cubic root of 97220001 is about 459.8171942176.

The spelling of 97220001 in words is "ninety-seven million, two hundred twenty thousand, one".