242252197 has 16 divisors (see below), whose sum is σ = 274060800. Its totient is φ = 212140800.

The previous prime is 242252191. The next prime is 242252203. The reversal of 242252197 is 791252242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242252191) and next prime (242252203).

It is a cyclic number.

It is not a de Polignac number, because 242252197 - 2⁷ = 242252069 is a prime.

It is a super-2 number, since 2×242252197² = 117372253902653618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242252191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77929 + ... + 80977.

It is an arithmetic number, because the mean of its divisors is an integer number (17128800).

Almost surely, 2^242252197 is an apocalyptic number.

It is an amenable number.

242252197 is a deficient number, since it is larger than the sum of its proper divisors (31808603).

242252197 is a wasteful number, since it uses less digits than its factorization.

242252197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324.

The product of its digits is 20160, while the sum is 34.

The square root of 242252197 is about 15564.4529939218. The cubic root of 242252197 is about 623.3843686151.

The spelling of 242252197 in words is "two hundred forty-two million, two hundred fifty-two thousand, one hundred ninety-seven".