222763530 has 64 divisors (see below), whose sum is σ = 585864576. Its totient is φ = 53760000.

The previous prime is 222763517. The next prime is 222763549. The reversal of 222763530 is 35367222.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78130 + ... + 80930.

It is an arithmetic number, because the mean of its divisors is an integer number (9154134).

Almost surely, 2^222763530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222763530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292932288).

222763530 is an abundant number, since it is smaller than the sum of its proper divisors (363101046).

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

222763530 is a wasteful number, since it uses less digits than its factorization.

222763530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 222763530 is about 14925.2648217712. The cubic root of 222763530 is about 606.1982762405.

The spelling of 222763530 in words is "two hundred twenty-two million, seven hundred sixty-three thousand, five hundred thirty".