22840256450 has 162 divisors, whose sum is σ = 49094379243. Its totient is φ = 7899460800.

The previous prime is 22840256447. The next prime is 22840256521. The reversal of 22840256450 is 5465204822.

It can be written as a sum of positive squares in 5 ways, for example, as 8760772801 + 14079483649 = 93599^2 + 118657^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106865.

It is a super-3 number, since 3×22840256450³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 340899317 + ... + 340899383.

Almost surely, 2^22840256450 is an apocalyptic number.

22840256450 is an abundant number, since it is smaller than the sum of its proper divisors (26254122793).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22840256450 is a wasteful number, since it uses less digits than its factorization.

22840256450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 22840256450 in words is "twenty-two billion, eight hundred forty million, two hundred fifty-six thousand, four hundred fifty".