222773757746561 has 16 divisors (see below), whose sum is σ = 257132447172480. Its totient is φ = 189051236409600.

The previous prime is 222773757746557. The next prime is 222773757746567. The reversal of 222773757746561 is 165647757377222.

It is a cyclic number.

It is not a de Polignac number, because 222773757746561 - 2² = 222773757746557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222773757746567) 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, 111566615 + ... + 113545836.

It is an arithmetic number, because the mean of its divisors is an integer number (16070777948280).

Almost surely, 2^{222773757746561} is an apocalyptic number.

It is an amenable number.

222773757746561 is a deficient number, since it is larger than the sum of its proper divisors (34358689425919).

222773757746561 is a wasteful number, since it uses less digits than its factorization.

222773757746561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225113864.

The product of its digits is 1452124800, while the sum is 71.

The spelling of 222773757746561 in words is "two hundred twenty-two trillion, seven hundred seventy-three billion, seven hundred fifty-seven million, seven hundred forty-six thousand, five hundred sixty-one".