22027146 has 16 divisors (see below), whose sum is σ = 45969984. Its totient is φ = 7023104.

The previous prime is 22027139. The next prime is 22027147. The reversal of 22027146 is 64172022.

It is not an unprimeable number, because it can be changed into a prime (22027147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79671 + ... + 79946.

It is an arithmetic number, because the mean of its divisors is an integer number (2873124).

Almost surely, 2^22027146 is an apocalyptic number.

22027146 is an abundant number, since it is smaller than the sum of its proper divisors (23942838).

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

22027146 is a wasteful number, since it uses less digits than its factorization.

22027146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159645.

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

The square root of 22027146 is about 4693.3086410335. The cubic root of 22027146 is about 280.3191344226.

Adding to 22027146 its reverse (64172022), we get a palindrome (86199168).

The spelling of 22027146 in words is "twenty-two million, twenty-seven thousand, one hundred forty-six".