222601446 has 20 divisors (see below), whose sum is σ = 498792492. Its totient is φ = 74200428.

The previous prime is 222601441. The next prime is 222601453. The reversal of 222601446 is 644106222.

222601446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222601446² = 99102807522581832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222601441) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 686880 + ... + 687203.

Almost surely, 2^222601446 is an apocalyptic number.

222601446 is an abundant number, since it is smaller than the sum of its proper divisors (276191046).

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

222601446 is a wasteful number, since it uses less digits than its factorization.

222601446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374097 (or 1374088 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 222601446 is about 14919.8339803096. The cubic root of 222601446 is about 606.0512161399.

Adding to 222601446 its reverse (644106222), we get a palindrome (866707668).

The spelling of 222601446 in words is "two hundred twenty-two million, six hundred one thousand, four hundred forty-six".