420022938 has 8 divisors (see below), whose sum is σ = 840045888. Its totient is φ = 140007644.

The previous prime is 420022931. The next prime is 420022969. The reversal of 420022938 is 839220024.

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

420022938 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (420022931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35001906 + ... + 35001917.

It is an arithmetic number, because the mean of its divisors is an integer number (105005736).

Almost surely, 2^420022938 is an apocalyptic number.

420022938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420022938 is a wasteful number, since it uses less digits than its factorization.

420022938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70003828.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 420022938 is about 20494.4611541753. The cubic root of 420022938 is about 748.9008717875.

The spelling of 420022938 in words is "four hundred twenty million, twenty-two thousand, nine hundred thirty-eight".