22750100 has 18 divisors (see below), whose sum is σ = 49367934. Its totient is φ = 9100000.

The previous prime is 22750099. The next prime is 22750103. The reversal of 22750100 is 105722.

It can be written as a sum of positive squares in 3 ways, for example, as 35344 + 22714756 = 188^2 + 4766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22750103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113651 + ... + 113850.

It is an arithmetic number, because the mean of its divisors is an integer number (2742663).

Almost surely, 2^22750100 is an apocalyptic number.

22750100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22750100 is an abundant number, since it is smaller than the sum of its proper divisors (26617834).

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

22750100 is a wasteful number, since it uses less digits than its factorization.

22750100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227515 (or 227508 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 22750100 is about 4769.7064899216. The cubic root of 22750100 is about 283.3529705728.

Adding to 22750100 its reverse (105722), we get a palindrome (22855822).

The spelling of 22750100 in words is "twenty-two million, seven hundred fifty thousand, one hundred".