1622234431 has 2 divisors, whose sum is σ = 1622234432. Its totient is φ = 1622234430.

The previous prime is 1622234429. The next prime is 1622234437. The reversal of 1622234431 is 1344322261.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1344322261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1622234431 - 2¹ = 1622234429 is a prime.

It is a super-2 number, since 2×1622234431² = 5263289098243787522, which contains 22 as substring.

Together with 1622234429, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1622234431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1622234437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811117215 + 811117216.

It is an arithmetic number, because the mean of its divisors is an integer number (811117216).

Almost surely, 2^1622234431 is an apocalyptic number.

1622234431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622234431 is an equidigital number, since it uses as much as digits as its factorization.

1622234431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 1622234431 is about 40276.9714725425. The cubic root of 1622234431 is about 1175.0000135204. Note that the first 4 decimals are identical.

Adding to 1622234431 its reverse (1344322261), we get a palindrome (2966556692).

It can be divided in two parts, 16222 and 34431, that added together give a cube (50653 = 37³).

The spelling of 1622234431 in words is "one billion, six hundred twenty-two million, two hundred thirty-four thousand, four hundred thirty-one".