222511105240 has 64 divisors (see below), whose sum is σ = 527803335360. Its totient is φ = 84256972800.

The previous prime is 222511105213. The next prime is 222511105247. The reversal of 222511105240 is 42501115222.

It is a super-2 number, since 2×222511105240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222511105247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157461 + ... + 1335940.

It is an arithmetic number, because the mean of its divisors is an integer number (8246927115).

Almost surely, 2^222511105240 is an apocalyptic number.

222511105240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222511105240 is an abundant number, since it is smaller than the sum of its proper divisors (305292230120).

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

222511105240 is a wasteful number, since it uses less digits than its factorization.

222511105240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493532 (or 2493528 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 222511105240 in words is "two hundred twenty-two billion, five hundred eleven million, one hundred five thousand, two hundred forty".