242572223 has 2 divisors, whose sum is σ = 242572224. Its totient is φ = 242572222.

The previous prime is 242572219. The next prime is 242572261. The reversal of 242572223 is 322275242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242572223 - 2² = 242572219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242572723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121286111 + 121286112.

It is an arithmetic number, because the mean of its divisors is an integer number (121286112).

Almost surely, 2^242572223 is an apocalyptic number.

242572223 is a deficient number, since it is larger than the sum of its proper divisors (1).

242572223 is an equidigital number, since it uses as much as digits as its factorization.

242572223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 29.

The square root of 242572223 is about 15574.7302705376. The cubic root of 242572223 is about 623.6587540471.

The spelling of 242572223 in words is "two hundred forty-two million, five hundred seventy-two thousand, two hundred twenty-three".