420727622 has 24 divisors (see below), whose sum is σ = 738213840. Its totient is φ = 179308080.

The previous prime is 420727603. The next prime is 420727627. The reversal of 420727622 is 226727024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420727627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5879 + ... + 29597.

It is an arithmetic number, because the mean of its divisors is an integer number (30758910).

Almost surely, 2^420727622 is an apocalyptic number.

420727622 is a deficient number, since it is larger than the sum of its proper divisors (317486218).

420727622 is a wasteful number, since it uses less digits than its factorization.

420727622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23916 (or 23909 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 420727622 is about 20511.6460090359. The cubic root of 420727622 is about 749.3194549610.

It can be divided in two parts, 42072 and 7622, that added together give a palindrome (49694).

The spelling of 420727622 in words is "four hundred twenty million, seven hundred twenty-seven thousand, six hundred twenty-two".