22457777889 has 32 divisors (see below), whose sum is σ = 30659485824. Its totient is φ = 14618672640.

The previous prime is 22457777879. The next prime is 22457777983. The reversal of 22457777889 is 98877775422.

It is not a de Polignac number, because 22457777889 - 2¹⁶ = 22457712353 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22457777879) 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, 17585719 + ... + 17586995.

It is an arithmetic number, because the mean of its divisors is an integer number (958108932).

Almost surely, 2^22457777889 is an apocalyptic number.

It is an amenable number.

22457777889 is a deficient number, since it is larger than the sum of its proper divisors (8201707935).

22457777889 is a wasteful number, since it uses less digits than its factorization.

22457777889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097.

The product of its digits is 110638080, while the sum is 66.

The spelling of 22457777889 in words is "twenty-two billion, four hundred fifty-seven million, seven hundred seventy-seven thousand, eight hundred eighty-nine".