222180764446 has 8 divisors (see below), whose sum is σ = 341021638584. Its totient is φ = 108506884920.

The previous prime is 222180764419. The next prime is 222180764447. The reversal of 222180764446 is 644467081222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222180764396 and 222180764405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222180764447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291748545 + ... + 1291748716.

It is an arithmetic number, because the mean of its divisors is an integer number (42627704823).

Almost surely, 2^222180764446 is an apocalyptic number.

222180764446 is a deficient number, since it is larger than the sum of its proper divisors (118840874138).

222180764446 is a wasteful number, since it uses less digits than its factorization.

222180764446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583497306.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 222180764446 in words is "two hundred twenty-two billion, one hundred eighty million, seven hundred sixty-four thousand, four hundred forty-six".