22238559450 has 48 divisors (see below), whose sum is σ = 61279589760. Its totient is φ = 5930282160.

The previous prime is 22238559407. The next prime is 22238559451. The reversal of 22238559450 is 5495583222.

22238559450 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 8 + 5 + 594 + 50 = 666.

It is a super-2 number, since 2×22238559450² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 22238559396 and 22238559405.

It is not an unprimeable number, because it can be changed into a prime (22238559451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8235154 + ... + 8237853.

It is an arithmetic number, because the mean of its divisors is an integer number (1276658120).

Almost surely, 2^22238559450 is an apocalyptic number.

22238559450 is an abundant number, since it is smaller than the sum of its proper divisors (39041030310).

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

22238559450 is a wasteful number, since it uses less digits than its factorization.

22238559450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16473028 (or 16473017 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 22238559450 in words is "twenty-two billion, two hundred thirty-eight million, five hundred fifty-nine thousand, four hundred fifty".