222522205140 has 36 divisors (see below), whose sum is σ = 674984022804. Its totient is φ = 59339254656.

The previous prime is 222522205127. The next prime is 222522205151. The reversal of 222522205140 is 41502225222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109133765316 + 113388439824 = 330354^2 + 336732^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×222522205140² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618117057 + ... + 618117416.

It is an arithmetic number, because the mean of its divisors is an integer number (18749556189).

Almost surely, 2^222522205140 is an apocalyptic number.

222522205140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222522205140 is an abundant number, since it is smaller than the sum of its proper divisors (452461817664).

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

222522205140 is a wasteful number, since it uses less digits than its factorization.

222522205140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236234488 (or 1236234483 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 222522205140 in words is "two hundred twenty-two billion, five hundred twenty-two million, two hundred five thousand, one hundred forty".