654666022 has 16 divisors (see below), whose sum is σ = 1051451280. Its totient is φ = 304615168.

The previous prime is 654666011. The next prime is 654666031. The reversal of 654666022 is 220666456.

It is a happy number.

It is a super-2 number, since 2×654666022² = 857175200722608968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105148 + ... + 111199.

It is an arithmetic number, because the mean of its divisors is an integer number (65715705).

Almost surely, 2^654666022 is an apocalyptic number.

654666022 is a deficient number, since it is larger than the sum of its proper divisors (396785258).

654666022 is a wasteful number, since it uses less digits than its factorization.

654666022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216455.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 654666022 is about 25586.4421520461. The cubic root of 654666022 is about 868.3069297231.

The spelling of 654666022 in words is "six hundred fifty-four million, six hundred sixty-six thousand, twenty-two".