2228720585267 has 16 divisors (see below), whose sum is σ = 2432694159360. Its totient is φ = 2024974502400.

The previous prime is 2228720585197. The next prime is 2228720585279. The reversal of 2228720585267 is 7625850278222.

It is a cyclic number.

It is not a de Polignac number, because 2228720585267 - 2²⁰ = 2228719536691 is a prime.

It is a super-2 number, since 2×2228720585267² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2228720581267) 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, 213004478 + ... + 213014940.

It is an arithmetic number, because the mean of its divisors is an integer number (152043384960).

Almost surely, 2^{2228720585267} is an apocalyptic number.

2228720585267 is a deficient number, since it is larger than the sum of its proper divisors (203973574093).

2228720585267 is a wasteful number, since it uses less digits than its factorization.

2228720585267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19474.

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 2228720585267 in words is "two trillion, two hundred twenty-eight billion, seven hundred twenty million, five hundred eighty-five thousand, two hundred sixty-seven".