222946775251146 has 12 divisors (see below), whose sum is σ = 483051346377522. Its totient is φ = 74315591750376.

The previous prime is 222946775251121. The next prime is 222946775251147. The reversal of 222946775251146 is 641152577649222.

222946775251146 is a `hidden beast` number, since 2 + 2 + 2 + 9 + 4 + 6 + 7 + 75 + 2 + 511 + 46 = 666.

It can be written as a sum of positive squares in only one way, i.e., 140442053180625 + 82504722070521 = 11850825^2 + 9083211^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222946775251147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6192965979181 + ... + 6192965979216.

Almost surely, 2^{222946775251146} is an apocalyptic number.

222946775251146 is an abundant number, since it is smaller than the sum of its proper divisors (260104571126376).

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

222946775251146 is a wasteful number, since it uses less digits than its factorization.

222946775251146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12385931958405 (or 12385931958402 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 63.

The spelling of 222946775251146 in words is "two hundred twenty-two trillion, nine hundred forty-six billion, seven hundred seventy-five million, two hundred fifty-one thousand, one hundred forty-six".