242139622 has 32 divisors (see below), whose sum is σ = 382323744. Its totient is φ = 114912000.

The previous prime is 242139587. The next prime is 242139659. The reversal of 242139622 is 226931242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529618 + ... + 530074.

It is an arithmetic number, because the mean of its divisors is an integer number (11947617).

Almost surely, 2^242139622 is an apocalyptic number.

242139622 is a deficient number, since it is larger than the sum of its proper divisors (140184122).

242139622 is a wasteful number, since it uses less digits than its factorization.

242139622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664.

The product of its digits is 10368, while the sum is 31.

The square root of 242139622 is about 15560.8361600526. The cubic root of 242139622 is about 623.2877910683.

The spelling of 242139622 in words is "two hundred forty-two million, one hundred thirty-nine thousand, six hundred twenty-two".