22151066 has 16 divisors (see below), whose sum is σ = 38047104. Its totient is φ = 9474864.

The previous prime is 22151039. The next prime is 22151083. The reversal of 22151066 is 66015122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7931 + ... + 10353.

It is an arithmetic number, because the mean of its divisors is an integer number (2377944).

Almost surely, 2^22151066 is an apocalyptic number.

22151066 is a deficient number, since it is larger than the sum of its proper divisors (15896038).

22151066 is a wasteful number, since it uses less digits than its factorization.

22151066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 22151066 is about 4706.4918994937. The cubic root of 22151066 is about 280.8438234998.

Adding to 22151066 its reverse (66015122), we get a palindrome (88166188).

The spelling of 22151066 in words is "twenty-two million, one hundred fifty-one thousand, sixty-six".