22218250026 has 48 divisors (see below), whose sum is σ = 51705064800. Its totient is φ = 6346398240.

The previous prime is 22218250007. The next prime is 22218250057. The reversal of 22218250026 is 62005281222.

It is a junction number, because it is equal to n+sod(n) for n = 22218249975 and 22218250002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1491696 + ... + 1506516.

It is an arithmetic number, because the mean of its divisors is an integer number (1077188850).

Almost surely, 2^22218250026 is an apocalyptic number.

22218250026 is an abundant number, since it is smaller than the sum of its proper divisors (29486814774).

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

22218250026 is a wasteful number, since it uses less digits than its factorization.

22218250026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19939 (or 19932 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 22218250026 in words is "twenty-two billion, two hundred eighteen million, two hundred fifty thousand, twenty-six".