222240380 has 12 divisors (see below), whose sum is σ = 466704840. Its totient is φ = 88896144.

The previous prime is 222240373. The next prime is 222240401. The reversal of 222240380 is 83042222.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555990 + ... + 5556029.

It is an arithmetic number, because the mean of its divisors is an integer number (38892070).

Almost surely, 2^222240380 is an apocalyptic number.

222240380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222240380 is an abundant number, since it is smaller than the sum of its proper divisors (244464460).

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

222240380 is a wasteful number, since it uses less digits than its factorization.

222240380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112028 (or 11112026 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 222240380 is about 14907.7288679396. The cubic root of 222240380 is about 605.7233612640.

The spelling of 222240380 in words is "two hundred twenty-two million, two hundred forty thousand, three hundred eighty".