421622245 has 8 divisors (see below), whose sum is σ = 551941920. Its totient is φ = 306634320.

The previous prime is 421622233. The next prime is 421622291. The reversal of 421622245 is 542226124.

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

It is not a de Polignac number, because 421622245 - 2¹⁷ = 421491173 is a prime.

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, 3832875 + ... + 3832984.

It is an arithmetic number, because the mean of its divisors is an integer number (68992740).

Almost surely, 2^421622245 is an apocalyptic number.

It is an amenable number.

421622245 is a deficient number, since it is larger than the sum of its proper divisors (130319675).

421622245 is a wasteful number, since it uses less digits than its factorization.

421622245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665875.

The product of its digits is 7680, while the sum is 28.

The square root of 421622245 is about 20533.4421128071. The cubic root of 421622245 is about 749.8501893369.

Adding to 421622245 its reverse (542226124), we get a palindrome (963848369).

The spelling of 421622245 in words is "four hundred twenty-one million, six hundred twenty-two thousand, two hundred forty-five".