222487572 has 24 divisors (see below), whose sum is σ = 521752000. Its totient is φ = 73789056.

The previous prime is 222487571. The next prime is 222487591. The reversal of 222487572 is 275784222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222487572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222487571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44197 + ... + 48972.

Almost surely, 2^222487572 is an apocalyptic number.

It is an amenable number.

222487572 is an abundant number, since it is smaller than the sum of its proper divisors (299264428).

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

222487572 is a wasteful number, since it uses less digits than its factorization.

222487572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93375 (or 93373 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 222487572 is about 14916.0172968524. The cubic root of 222487572 is about 605.9478546555.

The spelling of 222487572 in words is "two hundred twenty-two million, four hundred eighty-seven thousand, five hundred seventy-two".