22445340100 has 36 divisors (see below), whose sum is σ = 48720385168. Its totient is φ = 8975556000.

The previous prime is 22445340083. The next prime is 22445340101. The reversal of 22445340100 is 104354422.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (22445340101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338695 + ... + 399505.

Almost surely, 2^22445340100 is an apocalyptic number.

22445340100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22445340100 is an abundant number, since it is smaller than the sum of its proper divisors (26275045068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22445340100 is a wasteful number, since it uses less digits than its factorization.

22445340100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64516 (or 64509 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22445340100 its reverse (104354422), we get a palindrome (22549694522).

The spelling of 22445340100 in words is "twenty-two billion, four hundred forty-five million, three hundred forty thousand, one hundred".