224535444 has 72 divisors (see below), whose sum is σ = 617920128. Its totient is φ = 63262080.

The previous prime is 224535433. The next prime is 224535463. The reversal of 224535444 is 444535422.

It is a super-2 number, since 2×224535444² = 100832331224554272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40309 + ... + 45539.

It is an arithmetic number, because the mean of its divisors is an integer number (8582224).

Almost surely, 2^224535444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224535444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308960064).

224535444 is an abundant number, since it is smaller than the sum of its proper divisors (393384684).

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

224535444 is a wasteful number, since it uses less digits than its factorization.

224535444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325 (or 5316 counting only the distinct ones).

The product of its digits is 76800, while the sum is 33.

The square root of 224535444 is about 14984.5067986904. The cubic root of 224535444 is about 607.8013150719.

The spelling of 224535444 in words is "two hundred twenty-four million, five hundred thirty-five thousand, four hundred forty-four".