655222422 has 16 divisors (see below), whose sum is σ = 1314920880. Its totient is φ = 217661472.

The previous prime is 655222409. The next prime is 655222453. The reversal of 655222422 is 224222556.

It is a self number, because there is not a number n which added to its sum of digits gives 655222422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184597 + ... + 188112.

It is an arithmetic number, because the mean of its divisors is an integer number (82182555).

Almost surely, 2^655222422 is an apocalyptic number.

655222422 is an abundant number, since it is smaller than the sum of its proper divisors (659698458).

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

655222422 is a wasteful number, since it uses less digits than its factorization.

655222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373007.

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

The square root of 655222422 is about 25597.3127886503. The cubic root of 655222422 is about 868.5528511317.

Adding to 655222422 its reverse (224222556), we get a palindrome (879444978).

The spelling of 655222422 in words is "six hundred fifty-five million, two hundred twenty-two thousand, four hundred twenty-two".