242331222 has 16 divisors (see below), whose sum is σ = 553900032. Its totient is φ = 69237480.

The previous prime is 242331169. The next prime is 242331239. The reversal of 242331222 is 222133242.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2884854 + ... + 2884937.

It is an arithmetic number, because the mean of its divisors is an integer number (34618752).

Almost surely, 2^242331222 is an apocalyptic number.

242331222 is an abundant number, since it is smaller than the sum of its proper divisors (311568810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242331222 is a wasteful number, since it uses less digits than its factorization.

242331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769803.

The product of its digits is 1152, while the sum is 21.

The square root of 242331222 is about 15566.9914241641. The cubic root of 242331222 is about 623.4521459075.

Adding to 242331222 its reverse (222133242), we get a palindrome (464464464).

The spelling of 242331222 in words is "two hundred forty-two million, three hundred thirty-one thousand, two hundred twenty-two".