222280590 has 32 divisors (see below), whose sum is σ = 609684480. Its totient is φ = 50806944.

The previous prime is 222280577. The next prime is 222280603. The reversal of 222280590 is 95082222.

It is an interprime number because it is at equal distance from previous prime (222280577) and next prime (222280603).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529030 + ... + 529449.

It is an arithmetic number, because the mean of its divisors is an integer number (19052640).

Almost surely, 2^222280590 is an apocalyptic number.

222280590 is an abundant number, since it is smaller than the sum of its proper divisors (387403890).

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

222280590 is a wasteful number, since it uses less digits than its factorization.

222280590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058496.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 222280590 is about 14909.0774362467. The cubic root of 222280590 is about 605.7598902806.

The spelling of 222280590 in words is "two hundred twenty-two million, two hundred eighty thousand, five hundred ninety".