22678260072 has 128 divisors (see below), whose sum is σ = 63540288000. Its totient is φ = 6736853760.

The previous prime is 22678260053. The next prime is 22678260097. The reversal of 22678260072 is 27006287622.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1521697 + ... + 1536527.

It is an arithmetic number, because the mean of its divisors is an integer number (496408500).

Almost surely, 2^22678260072 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 22678260072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31770144000).

22678260072 is an abundant number, since it is smaller than the sum of its proper divisors (40862027928).

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

22678260072 is a wasteful number, since it uses less digits than its factorization.

22678260072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14908 (or 14878 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 22678260072 in words is "twenty-two billion, six hundred seventy-eight million, two hundred sixty thousand, seventy-two".