22019010 has 96 divisors (see below), whose sum is σ = 59133888. Its totient is φ = 5241600.

The previous prime is 22019003. The next prime is 22019047. The reversal of 22019010 is 1091022.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217960 + ... + 218060.

It is an arithmetic number, because the mean of its divisors is an integer number (615978).

Almost surely, 2^22019010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22019010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29566944).

22019010 is an abundant number, since it is smaller than the sum of its proper divisors (37114878).

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

22019010 is a wasteful number, since it uses less digits than its factorization.

22019010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 22019010 is about 4692.4417950572. The cubic root of 22019010 is about 280.2846170543.

It can be divided in two parts, 2201 and 9010, that added together give a palindrome (11211).

The spelling of 22019010 in words is "twenty-two million, nineteen thousand, ten".