22011122 has 16 divisors (see below), whose sum is σ = 37830912. Its totient is φ = 9408960.

The previous prime is 22011113. The next prime is 22011131. The reversal of 22011122 is 22111022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22011113) and next prime (22011131).

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, 4247 + ... + 7877.

It is an arithmetic number, because the mean of its divisors is an integer number (2364432).

Almost surely, 2^22011122 is an apocalyptic number.

22011122 is a deficient number, since it is larger than the sum of its proper divisors (15819790).

22011122 is a wasteful number, since it uses less digits than its factorization.

22011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 22011122 is about 4691.6012192001. The cubic root of 22011122 is about 280.2511437190.

Adding to 22011122 its reverse (22111022), we get a palindrome (44122144).

The spelling of 22011122 in words is "twenty-two million, eleven thousand, one hundred twenty-two".