654022 has 4 divisors (see below), whose sum is σ = 981036. Its totient is φ = 327010.

The previous prime is 654019. The next prime is 654023. The reversal of 654022 is 220456.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163504 + ... + 163507.

It is an arithmetic number, because the mean of its divisors is an integer number (245259).

2⁶⁵⁴⁰²² is an apocalyptic number.

654022 is a deficient number, since it is larger than the sum of its proper divisors (327014).

654022 is a wasteful number, since it uses less digits than its factorization.

654022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327013.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 654022 is about 808.7162666844. The cubic root of 654022 is about 86.8022106511.

Adding to 654022 its reverse (220456), we get a palindrome (874478).

The spelling of 654022 in words is "six hundred fifty-four thousand, twenty-two".