22112070 has 64 divisors (see below), whose sum is σ = 56733696. Its totient is φ = 5496320.

The previous prime is 22112063. The next prime is 22112071. The reversal of 22112070 is 7021122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97297 + ... + 97523.

It is an arithmetic number, because the mean of its divisors is an integer number (886464).

Almost surely, 2^22112070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22112070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28366848).

22112070 is an abundant number, since it is smaller than the sum of its proper divisors (34621626).

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

22112070 is a wasteful number, since it uses less digits than its factorization.

22112070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 22112070 is about 4702.3472861965. The cubic root of 22112070 is about 280.6789221997.

Adding to 22112070 its reverse (7021122), we get a palindrome (29133192).

The spelling of 22112070 in words is "twenty-two million, one hundred twelve thousand, seventy".