654252622 has 4 divisors (see below), whose sum is σ = 981378936. Its totient is φ = 327126310.

The previous prime is 654252589. The next prime is 654252623. The reversal of 654252622 is 226252456.

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 (654252623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163563154 + ... + 163563157.

It is an arithmetic number, because the mean of its divisors is an integer number (245344734).

Almost surely, 2^654252622 is an apocalyptic number.

654252622 is a deficient number, since it is larger than the sum of its proper divisors (327126314).

654252622 is a wasteful number, since it uses less digits than its factorization.

654252622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327126313.

The product of its digits is 57600, while the sum is 34.

The square root of 654252622 is about 25578.3623791673. The cubic root of 654252622 is about 868.1241221765.

The spelling of 654252622 in words is "six hundred fifty-four million, two hundred fifty-two thousand, six hundred twenty-two".