197942274 has 48 divisors (see below), whose sum is σ = 439514712. Its totient is φ = 64364544.

The previous prime is 197942273. The next prime is 197942281. The reversal of 197942274 is 472249791.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 132089049 + 65853225 = 11493^2 + 8115^2 .

It is a super-2 number, since 2×197942274² = 78362287672582152, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (254016) is a multiple of the sum of its prime divisors (1728).

It is not an unprimeable number, because it can be changed into a prime (197942273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126682 + ... + 128234.

Almost surely, 2^197942274 is an apocalyptic number.

197942274 is an abundant number, since it is smaller than the sum of its proper divisors (241572438).

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

197942274 is a wasteful number, since it uses less digits than its factorization.

197942274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731 (or 1728 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 197942274 is about 14069.1959258516. The cubic root of 197942274 is about 582.7910206235.

It can be divided in two parts, 1979 and 42274, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 197942274 in words is "one hundred ninety-seven million, nine hundred forty-two thousand, two hundred seventy-four".