653422 has 16 divisors (see below), whose sum is σ = 1222272. Its totient is φ = 254520.

The previous prime is 653363. The next prime is 653431. The reversal of 653422 is 224356.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a d-powerful number, because it can be written as 6⁴ + 5⁵ + 4⁸ + 3¹⁰ + 2⁷ + 2¹⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 653393 and 653402.

It is a congruent number.

It is an unprimeable number.

653422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1968 + ... + 2275.

It is an arithmetic number, because the mean of its divisors is an integer number (76392).

2⁶⁵³⁴²² is an apocalyptic number.

653422 is a deficient number, since it is larger than the sum of its proper divisors (568850).

653422 is a wasteful number, since it uses less digits than its factorization.

653422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263.

The product of its digits is 1440, while the sum is 22.

The square root of 653422 is about 808.3452232803. The cubic root of 653422 is about 86.7756584041.

Adding to 653422 its reverse (224356), we get a palindrome (877778).

It can be divided in two parts, 6534 and 22, that added together give a palindrome (6556).

The spelling of 653422 in words is "six hundred fifty-three thousand, four hundred twenty-two".