222258157252 has 24 divisors (see below), whose sum is σ = 402491539800. Its totient is φ = 107263005696.

The previous prime is 222258157241. The next prime is 222258157271. The reversal of 222258157252 is 252751852222.

It can be written as a sum of positive squares in 4 ways, for example, as 17217638656 + 205040518596 = 131216^2 + 452814^2 .

It is a super-3 number, since 3×222258157252³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222258157199 and 222258157208.

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 7 ways as a sum of consecutive naturals, for example, 65298 + ... + 669910.

It is an arithmetic number, because the mean of its divisors is an integer number (16770480825).

Almost surely, 2^222258157252 is an apocalyptic number.

It is an amenable number.

222258157252 is a deficient number, since it is larger than the sum of its proper divisors (180233382548).

222258157252 is a wasteful number, since it uses less digits than its factorization.

222258157252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607815 (or 607813 counting only the distinct ones).

The product of its digits is 448000, while the sum is 43.

The spelling of 222258157252 in words is "two hundred twenty-two billion, two hundred fifty-eight million, one hundred fifty-seven thousand, two hundred fifty-two".