222807442 has 32 divisors (see below), whose sum is σ = 400075200. Its totient is φ = 91715520.

The previous prime is 222807439. The next prime is 222807449. The reversal of 222807442 is 244708222.

222807442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222807449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7809 + ... + 22507.

It is an arithmetic number, because the mean of its divisors is an integer number (12502350).

Almost surely, 2^222807442 is an apocalyptic number.

222807442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222807442 is a deficient number, since it is larger than the sum of its proper divisors (177267758).

222807442 is a wasteful number, since it uses less digits than its factorization.

222807442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14778.

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 222807442 is about 14926.7358119584. The cubic root of 222807442 is about 606.2381056652.

The spelling of 222807442 in words is "two hundred twenty-two million, eight hundred seven thousand, four hundred forty-two".