222996372 has 12 divisors (see below), whose sum is σ = 520324896. Its totient is φ = 74332120.

The previous prime is 222996337. The next prime is 222996421. The reversal of 222996372 is 273699222.

222996372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9291504 + ... + 9291527.

It is an arithmetic number, because the mean of its divisors is an integer number (43360408).

Almost surely, 2^222996372 is an apocalyptic number.

It is an amenable number.

222996372 is an abundant number, since it is smaller than the sum of its proper divisors (297328524).

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

222996372 is a wasteful number, since it uses less digits than its factorization.

222996372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18583038 (or 18583036 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 222996372 is about 14933.0630481492. The cubic root of 222996372 is about 606.4094108450.

The spelling of 222996372 in words is "two hundred twenty-two million, nine hundred ninety-six thousand, three hundred seventy-two".