222772245217455 has 32 divisors (see below), whose sum is σ = 376417495238400. Its totient is φ = 112191967648512.

The previous prime is 222772245217397. The next prime is 222772245217477. The reversal of 222772245217455 is 554712542277222.

It is not a de Polignac number, because 222772245217455 - 2¹⁰ = 222772245216431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 222772245217395 and 222772245217404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1272969510 + ... + 1273144499.

It is an arithmetic number, because the mean of its divisors is an integer number (11763046726200).

Almost surely, 2^{222772245217455} is an apocalyptic number.

222772245217455 is a deficient number, since it is larger than the sum of its proper divisors (153645250020945).

222772245217455 is a wasteful number, since it uses less digits than its factorization.

222772245217455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546114343.

The product of its digits is 43904000, while the sum is 57.

The spelling of 222772245217455 in words is "two hundred twenty-two trillion, seven hundred seventy-two billion, two hundred forty-five million, two hundred seventeen thousand, four hundred fifty-five".