1424221211 has 12 divisors (see below), whose sum is σ = 1681478568. Its totient is φ = 1202537952.

The previous prime is 1424221207. The next prime is 1424221231. The reversal of 1424221211 is 1121224241.

It is not a de Polignac number, because 1424221211 - 2² = 1424221207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1424221231) 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, 213626 + ... + 220191.

It is an arithmetic number, because the mean of its divisors is an integer number (140123214).

Almost surely, 2^1424221211 is an apocalyptic number.

1424221211 is a deficient number, since it is larger than the sum of its proper divisors (257257357).

1424221211 is an equidigital number, since it uses as much as digits as its factorization.

1424221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433898 (or 433891 counting only the distinct ones).

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

The square root of 1424221211 is about 37738.8554542927. The cubic root of 1424221211 is about 1125.1035192972.

Adding to 1424221211 its reverse (1121224241), we get a palindrome (2545445452).

It can be divided in two parts, 14242 and 21211, that added together give a palindrome (35453).

The spelling of 1424221211 in words is "one billion, four hundred twenty-four million, two hundred twenty-one thousand, two hundred eleven".