222550446 has 8 divisors (see below), whose sum is σ = 445100904. Its totient is φ = 74183480.

The previous prime is 222550441. The next prime is 222550453. The reversal of 222550446 is 644055222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

222550446 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222550441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18545865 + ... + 18545876.

It is an arithmetic number, because the mean of its divisors is an integer number (55637613).

Almost surely, 2^222550446 is an apocalyptic number.

222550446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222550446 is a wasteful number, since it uses less digits than its factorization.

222550446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37091746.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 222550446 is about 14918.1247481042. The cubic root of 222550446 is about 606.0049286706.

The spelling of 222550446 in words is "two hundred twenty-two million, five hundred fifty thousand, four hundred forty-six".