222444625442 has 32 divisors (see below), whose sum is σ = 375272327808. Its totient is φ = 98120347776.

The previous prime is 222444625433. The next prime is 222444625453. The reversal of 222444625442 is 244526444222.

It is a super-2 number, since 2×222444625442² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 222444625442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557513 + ... + 869315.

It is an arithmetic number, because the mean of its divisors is an integer number (11727260244).

Almost surely, 2^222444625442 is an apocalyptic number.

222444625442 is a deficient number, since it is larger than the sum of its proper divisors (152827702366).

222444625442 is a wasteful number, since it uses less digits than its factorization.

222444625442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313034.

The product of its digits is 983040, while the sum is 41.

The spelling of 222444625442 in words is "two hundred twenty-two billion, four hundred forty-four million, six hundred twenty-five thousand, four hundred forty-two".