1622854253 has 2 divisors, whose sum is σ = 1622854254. Its totient is φ = 1622854252.

The previous prime is 1622854237. The next prime is 1622854267. The reversal of 1622854253 is 3524582261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1487876329 + 134977924 = 38573^2 + 11618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1622854253 - 2⁴ = 1622854237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1622850253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811427126 + 811427127.

It is an arithmetic number, because the mean of its divisors is an integer number (811427127).

Almost surely, 2^1622854253 is an apocalyptic number.

It is an amenable number.

1622854253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622854253 is an equidigital number, since it uses as much as digits as its factorization.

1622854253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 38.

The square root of 1622854253 is about 40284.6652338083. The cubic root of 1622854253 is about 1175.1496421457.

The spelling of 1622854253 in words is "one billion, six hundred twenty-two million, eight hundred fifty-four thousand, two hundred fifty-three".