420101422 has 32 divisors (see below), whose sum is σ = 691840800. Its totient is φ = 190149120.

The previous prime is 420101389. The next prime is 420101459. The reversal of 420101422 is 224101024.

It is a junction number, because it is equal to n+sod(n) for n = 420101396 and 420101405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399954 + ... + 401002.

It is an arithmetic number, because the mean of its divisors is an integer number (21620025).

Almost surely, 2^420101422 is an apocalyptic number.

420101422 is a deficient number, since it is larger than the sum of its proper divisors (271739378).

420101422 is a wasteful number, since it uses less digits than its factorization.

420101422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 420101422 is about 20496.3758259845. The cubic root of 420101422 is about 748.9475145382.

Adding to 420101422 its reverse (224101024), we get a palindrome (644202446).

The spelling of 420101422 in words is "four hundred twenty million, one hundred one thousand, four hundred twenty-two".