222624642642 has 8 divisors (see below), whose sum is σ = 445249285296. Its totient is φ = 74208214212.

The previous prime is 222624642589. The next prime is 222624642661. The reversal of 222624642642 is 246246426222.

222624642642 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

222624642642 is an admirable number.

It is a super-2 number, since 2×222624642642² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222624642594 and 222624642603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18552053548 + ... + 18552053559.

It is an arithmetic number, because the mean of its divisors is an integer number (55656160662).

Almost surely, 2^222624642642 is an apocalyptic number.

222624642642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222624642642 is a wasteful number, since it uses less digits than its factorization.

222624642642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37104107112.

The product of its digits is 884736, while the sum is 42.

The spelling of 222624642642 in words is "two hundred twenty-two billion, six hundred twenty-four million, six hundred forty-two thousand, six hundred forty-two".