478929622 has 4 divisors (see below), whose sum is σ = 718394436. Its totient is φ = 239464810.

The previous prime is 478929613. The next prime is 478929629. The reversal of 478929622 is 226929874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226929874 = 2 ⋅113464937.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478929629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119732404 + ... + 119732407.

It is an arithmetic number, because the mean of its divisors is an integer number (179598609).

Almost surely, 2^478929622 is an apocalyptic number.

478929622 is a deficient number, since it is larger than the sum of its proper divisors (239464814).

478929622 is a wasteful number, since it uses less digits than its factorization.

478929622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239464813.

The product of its digits is 870912, while the sum is 49.

The square root of 478929622 is about 21884.4607427279. The cubic root of 478929622 is about 782.3910967266.

The spelling of 478929622 in words is "four hundred seventy-eight million, nine hundred twenty-nine thousand, six hundred twenty-two".