222396490845 has 24 divisors (see below), whose sum is σ = 394452074016. Its totient is φ = 115853054688.

The previous prime is 222396490807. The next prime is 222396490871. The reversal of 222396490845 is 548094693222.

222396490845 is a `hidden beast` number, since 2 + 2 + 23 + 96 + 490 + 8 + 45 = 666.

It is not a de Polignac number, because 222396490845 - 2⁹ = 222396490333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222396490791 and 222396490800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57464859 + ... + 57468728.

It is an arithmetic number, because the mean of its divisors is an integer number (16435503084).

Almost surely, 2^222396490845 is an apocalyptic number.

It is an amenable number.

222396490845 is a deficient number, since it is larger than the sum of its proper divisors (172055583171).

222396490845 is a wasteful number, since it uses less digits than its factorization.

222396490845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114933641 (or 114933638 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 222396490845 in words is "two hundred twenty-two billion, three hundred ninety-six million, four hundred ninety thousand, eight hundred forty-five".