222723042 has 16 divisors (see below), whose sum is σ = 447297312. Its totient is φ = 73932480.

The previous prime is 222723023. The next prime is 222723047. The reversal of 222723042 is 240327222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222723047) 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, 75568 + ... + 78459.

It is an arithmetic number, because the mean of its divisors is an integer number (27956082).

Almost surely, 2^222723042 is an apocalyptic number.

222723042 is an abundant number, since it is smaller than the sum of its proper divisors (224574270).

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

222723042 is a wasteful number, since it uses less digits than its factorization.

222723042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154273.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 222723042 is about 14923.9084022919. The cubic root of 222723042 is about 606.1615478422.

The spelling of 222723042 in words is "two hundred twenty-two million, seven hundred twenty-three thousand, forty-two".