222292476 has 144 divisors (see below), whose sum is σ = 716002560. Its totient is φ = 56609280.

The previous prime is 222292463. The next prime is 222292487. The reversal of 222292476 is 674292222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 222292476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80031 + ... + 82761.

It is an arithmetic number, because the mean of its divisors is an integer number (4972240).

Almost surely, 2^222292476 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 222292476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358001280).

222292476 is an abundant number, since it is smaller than the sum of its proper divisors (493710084).

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

222292476 is a wasteful number, since it uses less digits than its factorization.

222292476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784 (or 2779 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 222292476 is about 14909.4760471319. The cubic root of 222292476 is about 605.7706873453.

The spelling of 222292476 in words is "two hundred twenty-two million, two hundred ninety-two thousand, four hundred seventy-six".