222274620 has 72 divisors (see below), whose sum is σ = 675458784. Its totient is φ = 59165568.

The previous prime is 222274607. The next prime is 222274621. The reversal of 222274620 is 26472222.

It is a super-2 number, since 2×222274620² = 98812013392288800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222274621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173422 + ... + 174698.

It is an arithmetic number, because the mean of its divisors is an integer number (9381372).

Almost surely, 2^222274620 is an apocalyptic number.

222274620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222274620 is an abundant number, since it is smaller than the sum of its proper divisors (453184164).

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

222274620 is a wasteful number, since it uses less digits than its factorization.

222274620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259 (or 2254 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 222274620 is about 14908.8772213068. The cubic root of 222274620 is about 605.7544670767.

The spelling of 222274620 in words is "two hundred twenty-two million, two hundred seventy-four thousand, six hundred twenty".