421422662 has 16 divisors (see below), whose sum is σ = 636854400. Its totient is φ = 209142720.

The previous prime is 421422647. The next prime is 421422691. The reversal of 421422662 is 266224124.

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, 292139 + ... + 293577.

It is an arithmetic number, because the mean of its divisors is an integer number (39803400).

Almost surely, 2^421422662 is an apocalyptic number.

421422662 is a deficient number, since it is larger than the sum of its proper divisors (215431738).

421422662 is a wasteful number, since it uses less digits than its factorization.

421422662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431.

The product of its digits is 9216, while the sum is 29.

The square root of 421422662 is about 20528.5815876305. The cubic root of 421422662 is about 749.7318519921.

Adding to 421422662 its reverse (266224124), we get a palindrome (687646786).

The spelling of 421422662 in words is "four hundred twenty-one million, four hundred twenty-two thousand, six hundred sixty-two".