22245777912473 has 4 divisors (see below), whose sum is σ = 22245901737060. Its totient is φ = 22245654087888.

The previous prime is 22245777912467. The next prime is 22245777912487. The reversal of 22245777912473 is 37421977754222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11869313464969 + 10376464447504 = 3445187^2 + 3221252^2 .

It is a cyclic number.

It is not a de Polignac number, because 22245777912473 - 2⁶ = 22245777912409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22245777912173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61642418 + ... + 62002251.

It is an arithmetic number, because the mean of its divisors is an integer number (5561475434265).

Almost surely, 2^{22245777912473} is an apocalyptic number.

It is an amenable number.

22245777912473 is a deficient number, since it is larger than the sum of its proper divisors (123824587).

22245777912473 is a wasteful number, since it uses less digits than its factorization.

22245777912473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123824586.

The product of its digits is 82978560, while the sum is 62.

The spelling of 22245777912473 in words is "twenty-two trillion, two hundred forty-five billion, seven hundred seventy-seven million, nine hundred twelve thousand, four hundred seventy-three".