222169984394 has 16 divisors (see below), whose sum is σ = 341705524968. Its totient is φ = 108294843072.

The previous prime is 222169984381. The next prime is 222169984409. The reversal of 222169984394 is 493489961222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 114741400225 + 107428584169 = 338735^2 + 327763^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6658337 + ... + 6691620.

Almost surely, 2^222169984394 is an apocalyptic number.

222169984394 is a deficient number, since it is larger than the sum of its proper divisors (119535540574).

222169984394 is a wasteful number, since it uses less digits than its factorization.

222169984394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13350169.

The product of its digits is 13436928, while the sum is 59.

The spelling of 222169984394 in words is "two hundred twenty-two billion, one hundred sixty-nine million, nine hundred eighty-four thousand, three hundred ninety-four".