222240431442 has 32 divisors (see below), whose sum is σ = 464940236160. Its totient is φ = 70686000000.

The previous prime is 222240431377. The next prime is 222240431443. The reversal of 222240431442 is 244134042222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222240431443) 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, 1912309 + ... + 2025192.

It is an arithmetic number, because the mean of its divisors is an integer number (14529382380).

Almost surely, 2^222240431442 is an apocalyptic number.

222240431442 is an abundant number, since it is smaller than the sum of its proper divisors (242699804718).

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

222240431442 is a wasteful number, since it uses less digits than its factorization.

222240431442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937938.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 222240431442 its reverse (244134042222), we get a palindrome (466374473664).

The spelling of 222240431442 in words is "two hundred twenty-two billion, two hundred forty million, four hundred thirty-one thousand, four hundred forty-two".