22212124393 has 2 divisors, whose sum is σ = 22212124394. Its totient is φ = 22212124392.

The previous prime is 22212124373. The next prime is 22212124423. The reversal of 22212124393 is 39342121222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21098434009 + 1113690384 = 145253^2 + 33372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212124393 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212124303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106062196 + 11106062197.

It is an arithmetic number, because the mean of its divisors is an integer number (11106062197).

Almost surely, 2^22212124393 is an apocalyptic number.

It is an amenable number.

22212124393 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212124393 is an equidigital number, since it uses as much as digits as its factorization.

22212124393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The spelling of 22212124393 in words is "twenty-two billion, two hundred twelve million, one hundred twenty-four thousand, three hundred ninety-three".