671222054 has 16 divisors (see below), whose sum is σ = 1016409600. Its totient is φ = 332431680.

The previous prime is 671222003. The next prime is 671222089. The reversal of 671222054 is 450222176.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111194 + ... + 117074.

It is an arithmetic number, because the mean of its divisors is an integer number (63525600).

Almost surely, 2^671222054 is an apocalyptic number.

671222054 is a deficient number, since it is larger than the sum of its proper divisors (345187546).

671222054 is a wasteful number, since it uses less digits than its factorization.

671222054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 671222054 is about 25907.9534892280. The cubic root of 671222054 is about 875.5656985165.

The spelling of 671222054 in words is "six hundred seventy-one million, two hundred twenty-two thousand, fifty-four".