222423372 has 36 divisors (see below), whose sum is σ = 563209920. Its totient is φ = 74012832.

The previous prime is 222423353. The next prime is 222423373. The reversal of 222423372 is 273324222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (222423373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17029 + ... + 27107.

It is an arithmetic number, because the mean of its divisors is an integer number (15644720).

Almost surely, 2^222423372 is an apocalyptic number.

It is an amenable number.

222423372 is an abundant number, since it is smaller than the sum of its proper divisors (340786548).

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

222423372 is a wasteful number, since it uses less digits than its factorization.

222423372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10702 (or 10697 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 222423372 is about 14913.8650925909. The cubic root of 222423372 is about 605.8895658646.

Adding to 222423372 its reverse (273324222), we get a palindrome (495747594).

The spelling of 222423372 in words is "two hundred twenty-two million, four hundred twenty-three thousand, three hundred seventy-two".