22231740222 has 16 divisors (see below), whose sum is σ = 49403867280. Its totient is φ = 7410580056.

The previous prime is 22231740221. The next prime is 22231740239. The reversal of 22231740222 is 22204713222.

22231740222 is a `hidden beast` number, since 2 + 2 + 231 + 7 + 402 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231740221) 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, 205849393 + ... + 205849500.

It is an arithmetic number, because the mean of its divisors is an integer number (3087741705).

Almost surely, 2^22231740222 is an apocalyptic number.

22231740222 is an abundant number, since it is smaller than the sum of its proper divisors (27172127058).

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

22231740222 is a wasteful number, since it uses less digits than its factorization.

22231740222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411698904 (or 411698898 counting only the distinct ones).

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

The spelling of 22231740222 in words is "twenty-two billion, two hundred thirty-one million, seven hundred forty thousand, two hundred twenty-two".