22027472 has 30 divisors (see below), whose sum is σ = 44227638. Its totient is φ = 10627456.

The previous prime is 22027463. The next prime is 22027487. The reversal of 22027472 is 27472022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 274576 + 21752896 = 524^2 + 4664^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12638 + ... + 14274.

Almost surely, 2^22027472 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 22027472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22113819).

22027472 is an abundant number, since it is smaller than the sum of its proper divisors (22200166).

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

22027472 is a wasteful number, since it uses less digits than its factorization.

22027472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 22027472 is about 4693.3433712014. The cubic root of 22027472 is about 280.3205173161.

Adding to 22027472 its reverse (27472022), we get a palindrome (49499494).

The spelling of 22027472 in words is "twenty-two million, twenty-seven thousand, four hundred seventy-two".