22068254383647 has 32 divisors (see below), whose sum is σ = 30554518760640. Its totient is φ = 14160880926720.

The previous prime is 22068254383607. The next prime is 22068254383649. The reversal of 22068254383647 is 74638345286022.

It is a de Polignac number, because none of the positive numbers 2^k-22068254383647 is a prime.

It is a super-2 number, since 2×22068254383647² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22068254383649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5404498 + ... + 8564175.

It is an arithmetic number, because the mean of its divisors is an integer number (954828711270).

Almost surely, 2^{22068254383647} is an apocalyptic number.

22068254383647 is a deficient number, since it is larger than the sum of its proper divisors (8486264376993).

22068254383647 is a wasteful number, since it uses less digits than its factorization.

22068254383647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13968923.

The product of its (nonzero) digits is 92897280, while the sum is 60.

The spelling of 22068254383647 in words is "twenty-two trillion, sixty-eight billion, two hundred fifty-four million, three hundred eighty-three thousand, six hundred forty-seven".