22210623649 has 2 divisors, whose sum is σ = 22210623650. Its totient is φ = 22210623648.

The previous prime is 22210623623. The next prime is 22210623697. The reversal of 22210623649 is 94632601222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22081960000 + 128663649 = 148600^2 + 11343^2 .

It is a cyclic number.

It is not a de Polignac number, because 22210623649 - 2⁷ = 22210623521 is a prime.

It is not a weakly prime, because it can be changed into another prime (22210626649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105311824 + 11105311825.

It is an arithmetic number, because the mean of its divisors is an integer number (11105311825).

Almost surely, 2^22210623649 is an apocalyptic number.

It is an amenable number.

22210623649 is a deficient number, since it is larger than the sum of its proper divisors (1).

22210623649 is an equidigital number, since it uses as much as digits as its factorization.

22210623649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 22210623649 in words is "twenty-two billion, two hundred ten million, six hundred twenty-three thousand, six hundred forty-nine".