242223577 has 4 divisors (see below), whose sum is σ = 242277136. Its totient is φ = 242170020.

The previous prime is 242223539. The next prime is 242223581. The reversal of 242223577 is 775322242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 775322242 = 2 ⋅387661121.

It is a cyclic number.

It is not a de Polignac number, because 242223577 - 2²³ = 233834969 is a prime.

It is a super-2 number, since 2×242223577² = 117344522509349858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242223277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19299 + ... + 29272.

It is an arithmetic number, because the mean of its divisors is an integer number (60569284).

Almost surely, 2^242223577 is an apocalyptic number.

It is an amenable number.

242223577 is a deficient number, since it is larger than the sum of its proper divisors (53559).

242223577 is an equidigital number, since it uses as much as digits as its factorization.

242223577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53558.

The product of its digits is 47040, while the sum is 34.

The square root of 242223577 is about 15563.5335640721. The cubic root of 242223577 is about 623.3598184927.

The spelling of 242223577 in words is "two hundred forty-two million, two hundred twenty-three thousand, five hundred seventy-seven".