22045354512 has 80 divisors (see below), whose sum is σ = 58762405632. Its totient is φ = 7117885440.

The previous prime is 22045354489. The next prime is 22045354553. The reversal of 22045354512 is 21545354022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168462 + ... + 269202.

Almost surely, 2^22045354512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22045354512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29381202816).

22045354512 is an abundant number, since it is smaller than the sum of its proper divisors (36717051120).

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

22045354512 is a wasteful number, since it uses less digits than its factorization.

22045354512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100896 (or 100890 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 22045354512 in words is "twenty-two billion, forty-five million, three hundred fifty-four thousand, five hundred twelve".