1422620431 has 2 divisors, whose sum is σ = 1422620432. Its totient is φ = 1422620430.

The previous prime is 1422620417. The next prime is 1422620477. The reversal of 1422620431 is 1340262241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1422620431 - 2¹¹ = 1422618383 is a prime.

It is a super-2 number, since 2×1422620431² = 4047697781397251522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1422620396 and 1422620405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422620531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711310215 + 711310216.

It is an arithmetic number, because the mean of its divisors is an integer number (711310216).

Almost surely, 2^1422620431 is an apocalyptic number.

1422620431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422620431 is an equidigital number, since it uses as much as digits as its factorization.

1422620431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1422620431 is about 37717.6408461611. The cubic root of 1422620431 is about 1124.6818342407.

Adding to 1422620431 its reverse (1340262241), we get a palindrome (2762882672).

The spelling of 1422620431 in words is "one billion, four hundred twenty-two million, six hundred twenty thousand, four hundred thirty-one".