222122620 has 12 divisors (see below), whose sum is σ = 466457544. Its totient is φ = 88849040.

The previous prime is 222122617. The next prime is 222122623. The reversal of 222122620 is 26221222.

It is an interprime number because it is at equal distance from previous prime (222122617) and next prime (222122623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5553046 + ... + 5553085.

It is an arithmetic number, because the mean of its divisors is an integer number (38871462).

Almost surely, 2^222122620 is an apocalyptic number.

222122620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122620 is an abundant number, since it is smaller than the sum of its proper divisors (244334924).

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

222122620 is a wasteful number, since it uses less digits than its factorization.

222122620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106140 (or 11106138 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 222122620 is about 14903.7787154802. The cubic root of 222122620 is about 605.6163561293.

Adding to 222122620 its reverse (26221222), we get a palindrome (248343842).

The spelling of 222122620 in words is "two hundred twenty-two million, one hundred twenty-two thousand, six hundred twenty".