222440206620 has 24 divisors (see below), whose sum is σ = 622832578704. Its totient is φ = 59317388416.

The previous prime is 222440206607. The next prime is 222440206627. The reversal of 222440206620 is 26602044222.

It is a super-2 number, since 2×222440206620² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222440206627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853668329 + ... + 1853668448.

It is an arithmetic number, because the mean of its divisors is an integer number (25951357446).

Almost surely, 2^222440206620 is an apocalyptic number.

222440206620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222440206620 is an abundant number, since it is smaller than the sum of its proper divisors (400392372084).

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

222440206620 is a wasteful number, since it uses less digits than its factorization.

222440206620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707336789 (or 3707336787 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 222440206620 in words is "two hundred twenty-two billion, four hundred forty million, two hundred six thousand, six hundred twenty".