197622916 has 6 divisors (see below), whose sum is σ = 345840110. Its totient is φ = 98811456.

The previous prime is 197622913. The next prime is 197622979. The reversal of 197622916 is 619226791.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 171714816 + 25908100 = 13104^2 + 5090^2 .

It is not an unprimeable number, because it can be changed into a prime (197622913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24702861 + ... + 24702868.

Almost surely, 2^197622916 is an apocalyptic number.

It is an amenable number.

197622916 is a deficient number, since it is larger than the sum of its proper divisors (148217194).

197622916 is a wasteful number, since it uses less digits than its factorization.

197622916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49405733 (or 49405731 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 197622916 is about 14057.8417973742. The cubic root of 197622916 is about 582.4774289301.

The spelling of 197622916 in words is "one hundred ninety-seven million, six hundred twenty-two thousand, nine hundred sixteen".