22234194457 has 2 divisors, whose sum is σ = 22234194458. Its totient is φ = 22234194456.

The previous prime is 22234194443. The next prime is 22234194487. The reversal of 22234194457 is 75449143222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21130692496 + 1103501961 = 145364^2 + 33219^2 .

It is a cyclic number.

It is not a de Polignac number, because 22234194457 - 2¹⁵ = 22234161689 is a prime.

It is not a weakly prime, because it can be changed into another prime (22234194487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11117097228 + 11117097229.

It is an arithmetic number, because the mean of its divisors is an integer number (11117097229).

Almost surely, 2^22234194457 is an apocalyptic number.

It is an amenable number.

22234194457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22234194457 is an equidigital number, since it uses as much as digits as its factorization.

22234194457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The spelling of 22234194457 in words is "twenty-two billion, two hundred thirty-four million, one hundred ninety-four thousand, four hundred fifty-seven".