242577022 has 4 divisors (see below), whose sum is σ = 363865536. Its totient is φ = 121288510.

The previous prime is 242577007. The next prime is 242577031. The reversal of 242577022 is 220775242.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×242577022² = 117687223204776968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60644254 + ... + 60644257.

It is an arithmetic number, because the mean of its divisors is an integer number (90966384).

Almost surely, 2^242577022 is an apocalyptic number.

242577022 is a deficient number, since it is larger than the sum of its proper divisors (121288514).

242577022 is a wasteful number, since it uses less digits than its factorization.

242577022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121288513.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 242577022 is about 15574.8843334389. The cubic root of 242577022 is about 623.6628667997.

The spelling of 242577022 in words is "two hundred forty-two million, five hundred seventy-seven thousand, twenty-two".