654224654 has 4 divisors (see below), whose sum is σ = 981336984. Its totient is φ = 327112326.

The previous prime is 654224653. The next prime is 654224657. The reversal of 654224654 is 456422456.

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 (654224653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163556162 + ... + 163556165.

It is an arithmetic number, because the mean of its divisors is an integer number (245334246).

Almost surely, 2^654224654 is an apocalyptic number.

654224654 is a deficient number, since it is larger than the sum of its proper divisors (327112330).

654224654 is a wasteful number, since it uses less digits than its factorization.

654224654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327112329.

The product of its digits is 230400, while the sum is 38.

The square root of 654224654 is about 25577.8156612327. The cubic root of 654224654 is about 868.1117518063. Note that the first 3 decimals are identical.

The spelling of 654224654 in words is "six hundred fifty-four million, two hundred twenty-four thousand, six hundred fifty-four".