1421422211 has 24 divisors (see below), whose sum is σ = 1646976240. Its totient is φ = 1223942720.

The previous prime is 1421422193. The next prime is 1421422231. The reversal of 1421422211 is 1122241241.

It is a de Polignac number, because none of the positive numbers 2^k-1421422211 is a prime.

It is a super-2 number, since 2×1421422211² = 4040882203848257042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421422231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182156 + ... + 189798.

It is an arithmetic number, because the mean of its divisors is an integer number (68624010).

Almost surely, 2^1421422211 is an apocalyptic number.

1421422211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1421422211 is a deficient number, since it is larger than the sum of its proper divisors (225554029).

1421422211 is a wasteful number, since it uses less digits than its factorization.

1421422211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747 (or 7736 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 1421422211 is about 37701.7534207628. The cubic root of 1421422211 is about 1124.3659863954.

Adding to 1421422211 its reverse (1122241241), we get a palindrome (2543663452).

The spelling of 1421422211 in words is "one billion, four hundred twenty-one million, four hundred twenty-two thousand, two hundred eleven".