222129496 has 8 divisors (see below), whose sum is σ = 416492820. Its totient is φ = 111064744.

The previous prime is 222129451. The next prime is 222129499. The reversal of 222129496 is 694921222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222129499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13883086 + ... + 13883101.

Almost surely, 2^222129496 is an apocalyptic number.

It is an amenable number.

222129496 is a deficient number, since it is larger than the sum of its proper divisors (194363324).

222129496 is a wasteful number, since it uses less digits than its factorization.

222129496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27766193 (or 27766189 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 222129496 is about 14904.0093934485. The cubic root of 222129496 is about 605.6226051928.

The spelling of 222129496 in words is "two hundred twenty-two million, one hundred twenty-nine thousand, four hundred ninety-six".