22070681712 has 100 divisors (see below), whose sum is σ = 64778929776. Its totient is φ = 7253245440.

The previous prime is 22070681687. The next prime is 22070681839. The reversal of 22070681712 is 21718607022.

It is a super-2 number, since 2×22070681712² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27913 + ... + 211944.

Almost surely, 2^22070681712 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 22070681712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32389464888).

22070681712 is an abundant number, since it is smaller than the sum of its proper divisors (42708248064).

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

22070681712 is a wasteful number, since it uses less digits than its factorization.

22070681712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239948 (or 239933 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 22070681712 in words is "twenty-two billion, seventy million, six hundred eighty-one thousand, seven hundred twelve".