97221974 has 8 divisors (see below), whose sum is σ = 153508440. Its totient is φ = 46052496.

The previous prime is 97221973. The next prime is 97222001. The reversal of 97221974 is 47912279.

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

It is a super-2 number, since 2×97221974² = 18904224456913352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97221973) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1279199 + ... + 1279274.

It is an arithmetic number, because the mean of its divisors is an integer number (19188555).

Almost surely, 2^97221974 is an apocalyptic number.

97221974 is a deficient number, since it is larger than the sum of its proper divisors (56286466).

97221974 is a wasteful number, since it uses less digits than its factorization.

97221974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558494.

The product of its digits is 63504, while the sum is 41.

The square root of 97221974 is about 9860.1203846606. The cubic root of 97221974 is about 459.8203047339.

The spelling of 97221974 in words is "ninety-seven million, two hundred twenty-one thousand, nine hundred seventy-four".