420422446 has 8 divisors (see below), whose sum is σ = 646015104. Its totient is φ = 205084080.

The previous prime is 420422411. The next prime is 420422459. The reversal of 420422446 is 644224024.

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, 2563470 + ... + 2563633.

It is an arithmetic number, because the mean of its divisors is an integer number (80751888).

Almost surely, 2^420422446 is an apocalyptic number.

420422446 is a deficient number, since it is larger than the sum of its proper divisors (225592658).

420422446 is a wasteful number, since it uses less digits than its factorization.

420422446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127146.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 420422446 is about 20504.2055686145. The cubic root of 420422446 is about 749.1382374589.

The spelling of 420422446 in words is "four hundred twenty million, four hundred twenty-two thousand, four hundred forty-six".