222511266260 has 24 divisors (see below), whose sum is σ = 472090917480. Its totient is φ = 88086933504.

The previous prime is 222511266251. The next prime is 222511266269. The reversal of 222511266260 is 62662115222.

It is an interprime number because it is at equal distance from previous prime (222511266251) and next prime (222511266269).

It can be written as a sum of positive squares in 4 ways, for example, as 45482386756 + 177028879504 = 213266^2 + 420748^2 .

It is a super-2 number, since 2×222511266260² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222511266260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222511266269) 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, 57346325 + ... + 57350204.

It is an arithmetic number, because the mean of its divisors is an integer number (19670454895).

Almost surely, 2^222511266260 is an apocalyptic number.

222511266260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222511266260 is an abundant number, since it is smaller than the sum of its proper divisors (249579651220).

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

222511266260 is a wasteful number, since it uses less digits than its factorization.

222511266260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114696635 (or 114696633 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 222511266260 in words is "two hundred twenty-two billion, five hundred eleven million, two hundred sixty-six thousand, two hundred sixty".