420622046 has 16 divisors (see below), whose sum is σ = 679858704. Its totient is φ = 194021184.

The previous prime is 420622039. The next prime is 420622063. The reversal of 420622046 is 640226024.

It is a super-2 number, since 2×420622046² = 353845811162452232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 56201 + ... + 63243.

It is an arithmetic number, because the mean of its divisors is an integer number (42491169).

Almost surely, 2^420622046 is an apocalyptic number.

420622046 is a deficient number, since it is larger than the sum of its proper divisors (259236658).

420622046 is a wasteful number, since it uses less digits than its factorization.

420622046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 420622046 is about 20509.0722852108. The cubic root of 420622046 is about 749.2567724678.

The spelling of 420622046 in words is "four hundred twenty million, six hundred twenty-two thousand, forty-six".