222511838994 has 32 divisors (see below), whose sum is σ = 495201219840. Its totient is φ = 74061043056.

The previous prime is 222511838993. The next prime is 222511839031. The reversal of 222511838994 is 499838115222.

222511838994 is a `hidden beast` number, since 2 + 2 + 2 + 511 + 8 + 38 + 9 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 222511838994.

It is not an unprimeable number, because it can be changed into a prime (222511838993) 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, 3006714 + ... + 3079829.

It is an arithmetic number, because the mean of its divisors is an integer number (15475038120).

Almost surely, 2^222511838994 is an apocalyptic number.

222511838994 is an abundant number, since it is smaller than the sum of its proper divisors (272689380846).

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

222511838994 is a wasteful number, since it uses less digits than its factorization.

222511838994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6087231 (or 6087225 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 222511838994 in words is "two hundred twenty-two billion, five hundred eleven million, eight hundred thirty-eight thousand, nine hundred ninety-four".