222254520 has 64 divisors (see below), whose sum is σ = 695761920. Its totient is φ = 56690304.

The previous prime is 222254507. The next prime is 222254569. The reversal of 222254520 is 25452222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37504 + ... + 43023.

It is an arithmetic number, because the mean of its divisors is an integer number (10871280).

Almost surely, 2^222254520 is an apocalyptic number.

222254520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222254520 is an abundant number, since it is smaller than the sum of its proper divisors (473507400).

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

222254520 is a wasteful number, since it uses less digits than its factorization.

222254520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80564 (or 80560 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 222254520 is about 14908.2031110392. The cubic root of 222254520 is about 605.7362073344.

The spelling of 222254520 in words is "two hundred twenty-two million, two hundred fifty-four thousand, five hundred twenty".