22420570349 has 2 divisors, whose sum is σ = 22420570350. Its totient is φ = 22420570348.

The previous prime is 22420570331. The next prime is 22420570363. The reversal of 22420570349 is 94307502422.

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., 17611147849 + 4809422500 = 132707^2 + 69350^2 .

It is a cyclic number.

It is not a de Polignac number, because 22420570349 - 2¹² = 22420566253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22420570379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210285174 + 11210285175.

It is an arithmetic number, because the mean of its divisors is an integer number (11210285175).

Almost surely, 2^22420570349 is an apocalyptic number.

It is an amenable number.

22420570349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420570349 is an equidigital number, since it uses as much as digits as its factorization.

22420570349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 22420570349 in words is "twenty-two billion, four hundred twenty million, five hundred seventy thousand, three hundred forty-nine".