22422606420 has 96 divisors (see below), whose sum is σ = 66570537600. Its totient is φ = 5623271424.

The previous prime is 22422606407. The next prime is 22422606421. The reversal of 22422606420 is 2460622422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22422606421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84396 + ... + 227964.

It is an arithmetic number, because the mean of its divisors is an integer number (693443100).

Almost surely, 2^22422606420 is an apocalyptic number.

22422606420 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 22422606420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33285268800).

22422606420 is an abundant number, since it is smaller than the sum of its proper divisors (44147931180).

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

22422606420 is a wasteful number, since it uses less digits than its factorization.

22422606420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143737 (or 143735 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 22422606420 in words is "twenty-two billion, four hundred twenty-two million, six hundred six thousand, four hundred twenty".