22273925100 has 432 divisors, whose sum is σ = 77553036288. Its totient is φ = 4918717440.

The previous prime is 22273925087. The next prime is 22273925117. The reversal of 22273925100 is 152937222.

It is a super-2 number, since 2×22273925100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 71162544 + ... + 71162856.

Almost surely, 2^22273925100 is an apocalyptic number.

22273925100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22273925100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38776518144).

22273925100 is an abundant number, since it is smaller than the sum of its proper divisors (55279111188).

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

22273925100 is a wasteful number, since it uses less digits than its factorization.

22273925100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 22273925100 in words is "twenty-two billion, two hundred seventy-three million, nine hundred twenty-five thousand, one hundred".