420944822 has 16 divisors (see below), whose sum is σ = 645699600. Its totient is φ = 205751520.

The previous prime is 420944807. The next prime is 420944861. The reversal of 420944822 is 228449024.

It is a super-2 number, since 2×420944822² = 354389086337223368, which contains 22 as substring.

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, 11504 + ... + 31212.

It is an arithmetic number, because the mean of its divisors is an integer number (40356225).

Almost surely, 2^420944822 is an apocalyptic number.

420944822 is a deficient number, since it is larger than the sum of its proper divisors (224754778).

420944822 is a wasteful number, since it uses less digits than its factorization.

420944822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19951.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 420944822 is about 20516.9398790365. The cubic root of 420944822 is about 749.4483777908.

The spelling of 420944822 in words is "four hundred twenty million, nine hundred forty-four thousand, eight hundred twenty-two".