22045211125 has 64 divisors (see below), whose sum is σ = 33465788928. Its totient is φ = 14153395200.

The previous prime is 22045211081. The next prime is 22045211131. The reversal of 22045211125 is 52111254022.

It is not a de Polignac number, because 22045211125 - 2²¹ = 22043113973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22045211125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2926614 + ... + 2934136.

It is an arithmetic number, because the mean of its divisors is an integer number (522902952).

Almost surely, 2^22045211125 is an apocalyptic number.

22045211125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22045211125 is a deficient number, since it is larger than the sum of its proper divisors (11420577803).

22045211125 is a wasteful number, since it uses less digits than its factorization.

22045211125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7759 (or 7749 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 22045211125 its reverse (52111254022), we get a palindrome (74156465147).

The spelling of 22045211125 in words is "twenty-two billion, forty-five million, two hundred eleven thousand, one hundred twenty-five".