222135042 has 16 divisors (see below), whose sum is σ = 467652960. Its totient is φ = 70147872.

The previous prime is 222135029. The next prime is 222135047. The reversal of 222135042 is 240531222.

It is not an unprimeable number, because it can be changed into a prime (222135047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974163 + ... + 974390.

It is an arithmetic number, because the mean of its divisors is an integer number (29228310).

Almost surely, 2^222135042 is an apocalyptic number.

222135042 is an abundant number, since it is smaller than the sum of its proper divisors (245517918).

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

222135042 is a wasteful number, since it uses less digits than its factorization.

222135042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948577.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 222135042 is about 14904.1954496041. The cubic root of 222135042 is about 605.6276454285.

Adding to 222135042 its reverse (240531222), we get a palindrome (462666264).

The spelling of 222135042 in words is "two hundred twenty-two million, one hundred thirty-five thousand, forty-two".