222709152 has 24 divisors (see below), whose sum is σ = 584611776. Its totient is φ = 74236352.

The previous prime is 222709147. The next prime is 222709153. The reversal of 222709152 is 251907222.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (222709153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159848 + ... + 1160039.

It is an arithmetic number, because the mean of its divisors is an integer number (24358824).

Almost surely, 2^222709152 is an apocalyptic number.

It is an amenable number.

222709152 is an abundant number, since it is smaller than the sum of its proper divisors (361902624).

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

222709152 is a wasteful number, since it uses less digits than its factorization.

222709152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319900 (or 2319892 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 222709152 is about 14923.4430343671. The cubic root of 222709152 is about 606.1489466031.

The spelling of 222709152 in words is "two hundred twenty-two million, seven hundred nine thousand, one hundred fifty-two".