22147026 has 32 divisors (see below), whose sum is σ = 49121856. Its totient is φ = 6600000.

The previous prime is 22147003. The next prime is 22147031. The reversal of 22147026 is 62074122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22146987 and 22147005.

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, 1276 + ... + 6776.

It is an arithmetic number, because the mean of its divisors is an integer number (1535058).

Almost surely, 2^22147026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22147026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24560928).

22147026 is an abundant number, since it is smaller than the sum of its proper divisors (26974830).

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

22147026 is a wasteful number, since it uses less digits than its factorization.

22147026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 22147026 is about 4706.0626855154. The cubic root of 22147026 is about 280.8267486552.

The spelling of 22147026 in words is "twenty-two million, one hundred forty-seven thousand, twenty-six".