921422006 has 8 divisors (see below), whose sum is σ = 1383024240. Its totient is φ = 460413928.

The previous prime is 921421937. The next prime is 921422023. The reversal of 921422006 is 600224129.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144641 + ... + 150876.

It is an arithmetic number, because the mean of its divisors is an integer number (172878030).

Almost surely, 2^921422006 is an apocalyptic number.

921422006 is a deficient number, since it is larger than the sum of its proper divisors (461602234).

921422006 is a wasteful number, since it uses less digits than its factorization.

921422006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297078.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 921422006 is about 30354.9337999608. The cubic root of 921422006 is about 973.0896650576.

The spelling of 921422006 in words is "nine hundred twenty-one million, four hundred twenty-two thousand, six".