22077308450 has 18 divisors (see below), whose sum is σ = 41065748019. Its totient is φ = 8830503120.

The previous prime is 22077308431. The next prime is 22077308453. The reversal of 22077308450 is 5480377022.

It can be written as a sum of positive squares in 5 ways, for example, as 383258929 + 21694049521 = 19577^2 + 147289^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105065.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22077308453) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1040144 + ... + 1061156.

Almost surely, 2^22077308450 is an apocalyptic number.

22077308450 is a deficient number, since it is larger than the sum of its proper divisors (18988439569).

22077308450 is an frugal number, since it uses more digits than its factorization.

22077308450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42038 (or 21020 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 22077308450 in words is "twenty-two billion, seventy-seven million, three hundred eight thousand, four hundred fifty".