223726422 has 16 divisors (see below), whose sum is σ = 458366832. Its totient is φ = 72756480.

The previous prime is 223726397. The next prime is 223726423. The reversal of 223726422 is 224627322.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 223726422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223726423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454483 + ... + 454974.

It is an arithmetic number, because the mean of its divisors is an integer number (28647927).

Almost surely, 2^223726422 is an apocalyptic number.

223726422 is an abundant number, since it is smaller than the sum of its proper divisors (234640410).

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

223726422 is a wasteful number, since it uses less digits than its factorization.

223726422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909503.

The product of its digits is 16128, while the sum is 30.

The square root of 223726422 is about 14957.4871552678. The cubic root of 223726422 is about 607.0704484312.

The spelling of 223726422 in words is "two hundred twenty-three million, seven hundred twenty-six thousand, four hundred twenty-two".