22054412100 has 72 divisors (see below), whose sum is σ = 72926596288. Its totient is φ = 5041008000.

The previous prime is 22054412047. The next prime is 22054412111. The reversal of 22054412100 is 121445022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5248951 + ... + 5253150.

Almost surely, 2^22054412100 is an apocalyptic number.

22054412100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22054412100 is an abundant number, since it is smaller than the sum of its proper divisors (50872184188).

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

22054412100 is a wasteful number, since it uses less digits than its factorization.

22054412100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10502125 (or 10502118 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 22054412100 its reverse (121445022), we get a palindrome (22175857122).

The spelling of 22054412100 in words is "twenty-two billion, fifty-four million, four hundred twelve thousand, one hundred".