222013444 has 48 divisors (see below), whose sum is σ = 419489280. Its totient is φ = 102574080.

The previous prime is 222013409. The next prime is 222013447. The reversal of 222013444 is 444310222.

It is a happy number.

It is a super-2 number, since 2×222013444² = 98579938633482272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222013447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384484 + ... + 385060.

It is an arithmetic number, because the mean of its divisors is an integer number (8739360).

Almost surely, 2^222013444 is an apocalyptic number.

It is an amenable number.

222013444 is a deficient number, since it is larger than the sum of its proper divisors (197475836).

222013444 is a wasteful number, since it uses less digits than its factorization.

222013444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 222013444 is about 14900.1155700216. The cubic root of 222013444 is about 605.5171172389.

Adding to 222013444 its reverse (444310222), we get a palindrome (666323666).

The spelling of 222013444 in words is "two hundred twenty-two million, thirteen thousand, four hundred forty-four".