222563640640 has 56 divisors (see below), whose sum is σ = 578159648352. Its totient is φ = 80932231680.

The previous prime is 222563640601. The next prime is 222563640643. The reversal of 222563640640 is 46046365222.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 222563640593 and 222563640602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222563640643) 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, 31610634 + ... + 31617673.

Almost surely, 2^222563640640 is an apocalyptic number.

222563640640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222563640640 is an abundant number, since it is smaller than the sum of its proper divisors (355596007712).

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

222563640640 is a wasteful number, since it uses less digits than its factorization.

222563640640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63228335 (or 63228325 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 222563640640 in words is "two hundred twenty-two billion, five hundred sixty-three million, six hundred forty thousand, six hundred forty".