23222700 has 180 divisors, whose sum is σ = 78140832. Its totient is φ = 5961600.

The previous prime is 23222699. The next prime is 23222701. The reversal of 23222700 is 722232.

It is an interprime number because it is at equal distance from previous prime (23222699) and next prime (23222701).

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23222701) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 380670 + ... + 380730.

Almost surely, 2^23222700 is an apocalyptic number.

23222700 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 23222700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39070416).

23222700 is an abundant number, since it is smaller than the sum of its proper divisors (54918132).

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

23222700 is a wasteful number, since it uses less digits than its factorization.

23222700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 23222700 is about 4818.9936708819. The cubic root of 23222700 is about 285.3016197369.

Adding to 23222700 its reverse (722232), we get a palindrome (23944932).

The spelling of 23222700 in words is "twenty-three million, two hundred twenty-two thousand, seven hundred".