222681472 has 64 divisors (see below), whose sum is σ = 481264560. Its totient is φ = 102021120.

The previous prime is 222681449. The next prime is 222681479. The reversal of 222681472 is 274186222.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222681479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270822 + ... + 271642.

Almost surely, 2^222681472 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 222681472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240632280).

222681472 is an abundant number, since it is smaller than the sum of its proper divisors (258583088).

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

222681472 is a wasteful number, since it uses less digits than its factorization.

222681472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 999 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 222681472 is about 14922.5156056209. The cubic root of 222681472 is about 606.1238332840.

The spelling of 222681472 in words is "two hundred twenty-two million, six hundred eighty-one thousand, four hundred seventy-two".