1421110422 has 12 divisors (see below), whose sum is σ = 3079072620. Its totient is φ = 473703468.

The previous prime is 1421110417. The next prime is 1421110451. The reversal of 1421110422 is 2240111241.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 78950579 = 1421110422 / (1 + 4 + 2 + 1 + 1 + 1 + 0 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1421110395 and 1421110404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39475272 + ... + 39475307.

It is an arithmetic number, because the mean of its divisors is an integer number (256589385).

Almost surely, 2^1421110422 is an apocalyptic number.

1421110422 is an abundant number, since it is smaller than the sum of its proper divisors (1657962198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421110422 is a wasteful number, since it uses less digits than its factorization.

1421110422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78950587 (or 78950584 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1421110422 is about 37697.6182536775. The cubic root of 1421110422 is about 1124.2837704807.

Adding to 1421110422 its reverse (2240111241), we get a palindrome (3661221663).

The spelling of 1421110422 in words is "one billion, four hundred twenty-one million, one hundred ten thousand, four hundred twenty-two".