222241620 has 48 divisors (see below), whose sum is σ = 627802560. Its totient is φ = 58738176.

The previous prime is 222241619. The next prime is 222241627. The reversal of 222241620 is 26142222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222241627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9610 + ... + 23169.

It is an arithmetic number, because the mean of its divisors is an integer number (13079220).

Almost surely, 2^222241620 is an apocalyptic number.

222241620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222241620 is an abundant number, since it is smaller than the sum of its proper divisors (405560940).

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

222241620 is a wasteful number, since it uses less digits than its factorization.

222241620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32904 (or 32902 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 222241620 is about 14907.7704570469. The cubic root of 222241620 is about 605.7244878153.

Adding to 222241620 its reverse (26142222), we get a palindrome (248383842).

The spelling of 222241620 in words is "two hundred twenty-two million, two hundred forty-one thousand, six hundred twenty".