222149232 has 30 divisors (see below), whose sum is σ = 621709712. Its totient is φ = 74049696.

The previous prime is 222149231. The next prime is 222149233. The reversal of 222149232 is 232941222.

It is an interprime number because it is at equal distance from previous prime (222149231) and next prime (222149233).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 222149196 and 222149205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222149231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 771208 + ... + 771495.

Almost surely, 2^222149232 is an apocalyptic number.

It is an amenable number.

222149232 is an abundant number, since it is smaller than the sum of its proper divisors (399560480).

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

222149232 is a wasteful number, since it uses less digits than its factorization.

222149232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542717 (or 1542708 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 222149232 is about 14904.6714824581. The cubic root of 222149232 is about 605.6405409975.

The spelling of 222149232 in words is "two hundred twenty-two million, one hundred forty-nine thousand, two hundred thirty-two".