22243859450 has 12 divisors (see below), whose sum is σ = 41373578670. Its totient is φ = 8897543760.

The previous prime is 22243859447. The next prime is 22243859461. The reversal of 22243859450 is 5495834222.

It can be written as a sum of positive squares in 3 ways, for example, as 17100531361 + 5143328089 = 130769^2 + 71717^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222438545 + ... + 222438644.

Almost surely, 2^22243859450 is an apocalyptic number.

22243859450 is a deficient number, since it is larger than the sum of its proper divisors (19129719220).

22243859450 is a wasteful number, since it uses less digits than its factorization.

22243859450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444877201 (or 444877196 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 22243859450 in words is "twenty-two billion, two hundred forty-three million, eight hundred fifty-nine thousand, four hundred fifty".