22245777912469 has 16 divisors (see below), whose sum is σ = 23104533672000. Its totient is φ = 21402587606400.

The previous prime is 22245777912467. The next prime is 22245777912487. The reversal of 22245777912469 is 96421977754222.

It is a cyclic number.

It is not a de Polignac number, because 22245777912469 - 2¹ = 22245777912467 is a prime.

It is a super-2 number, since 2×22245777912469² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245777912461) 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, 40780419 + ... + 41322319.

It is an arithmetic number, because the mean of its divisors is an integer number (1444033354500).

Almost surely, 2^{22245777912469} is an apocalyptic number.

It is an amenable number.

22245777912469 is a deficient number, since it is larger than the sum of its proper divisors (858755759531).

22245777912469 is a wasteful number, since it uses less digits than its factorization.

22245777912469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556260.

The product of its digits is 213373440, while the sum is 67.

The spelling of 22245777912469 in words is "twenty-two trillion, two hundred forty-five billion, seven hundred seventy-seven million, nine hundred twelve thousand, four hundred sixty-nine".