222422000 has 40 divisors (see below), whose sum is σ = 537821232. Its totient is φ = 88968000.

The previous prime is 222421987. The next prime is 222422009. The reversal of 222422000 is 224222.

222422000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222422009) 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, 53606 + ... + 57605.

Almost surely, 2^222422000 is an apocalyptic number.

222422000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222422000 is an abundant number, since it is smaller than the sum of its proper divisors (315399232).

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

222422000 is a wasteful number, since it uses less digits than its factorization.

222422000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111234 (or 111218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 222422000 is about 14913.8190950541. The cubic root of 222422000 is about 605.8883200690. Note that the first 3 decimals are identical.

Adding to 222422000 its reverse (224222), we get a palindrome (222646222).

It can be divided in two parts, 22242 and 2000, that added together give a palindrome (24242).

The spelling of 222422000 in words is "two hundred twenty-two million, four hundred twenty-two thousand".