22252421623 has 2 divisors, whose sum is σ = 22252421624. Its totient is φ = 22252421622.

The previous prime is 22252421557. The next prime is 22252421657. The reversal of 22252421623 is 32612425222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22252421623 - 2¹⁷ = 22252290551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22252421683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11126210811 + 11126210812.

It is an arithmetic number, because the mean of its divisors is an integer number (11126210812).

Almost surely, 2^22252421623 is an apocalyptic number.

22252421623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22252421623 is an equidigital number, since it uses as much as digits as its factorization.

22252421623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 31.

Adding to 22252421623 its reverse (32612425222), we get a palindrome (54864846845).

The spelling of 22252421623 in words is "twenty-two billion, two hundred fifty-two million, four hundred twenty-one thousand, six hundred twenty-three".