222232040 has 32 divisors (see below), whose sum is σ = 500548680. Its totient is φ = 88799232.

The previous prime is 222231979. The next prime is 222232051. The reversal of 222232040 is 40232222.

It can be written as a sum of positive squares in 4 ways, for example, as 136002244 + 86229796 = 11662^2 + 9286^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45392 + ... + 50048.

Almost surely, 2^222232040 is an apocalyptic number.

222232040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222232040 is an abundant number, since it is smaller than the sum of its proper divisors (278316640).

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

222232040 is a wasteful number, since it uses less digits than its factorization.

222232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861 (or 5857 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 222232040 is about 14907.4491446391. The cubic root of 222232040 is about 605.7157841891.

Adding to 222232040 its reverse (40232222), we get a palindrome (262464262).

The spelling of 222232040 in words is "two hundred twenty-two million, two hundred thirty-two thousand, forty".