222446163650520 has 64 divisors (see below), whose sum is σ = 676480114141920. Its totient is φ = 58506388245504.

The previous prime is 222446163650507. The next prime is 222446163650521. The reversal of 222446163650520 is 25056361644222.

It is a self number, because there is not a number n which added to its sum of digits gives 222446163650520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222446163650521) 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, 12696690079 + ... + 12696707598.

Almost surely, 2^{222446163650520} is an apocalyptic number.

222446163650520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222446163650520 is an abundant number, since it is smaller than the sum of its proper divisors (454033950491400).

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

222446163650520 is a wasteful number, since it uses less digits than its factorization.

222446163650520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25393397764 (or 25393397760 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 222446163650520 in words is "two hundred twenty-two trillion, four hundred forty-six billion, one hundred sixty-three million, six hundred fifty thousand, five hundred twenty".