1622245829 has 2 divisors, whose sum is σ = 1622245830. Its totient is φ = 1622245828.

The previous prime is 1622245799. The next prime is 1622245861. The reversal of 1622245829 is 9285422261.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056900100 + 565345729 = 32510^2 + 23777^2 .

It is a cyclic number.

It is not a de Polignac number, because 1622245829 - 2²⁸ = 1353810373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1622248829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811122914 + 811122915.

It is an arithmetic number, because the mean of its divisors is an integer number (811122915).

Almost surely, 2^1622245829 is an apocalyptic number.

It is an amenable number.

1622245829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622245829 is an equidigital number, since it uses as much as digits as its factorization.

1622245829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 1622245829 is about 40277.1129675403. The cubic root of 1622245829 is about 1175.0027654077.

The spelling of 1622245829 in words is "one billion, six hundred twenty-two million, two hundred forty-five thousand, eight hundred twenty-nine".