22110961 has 2 divisors, whose sum is σ = 22110962. Its totient is φ = 22110960.

The previous prime is 22110953. The next prime is 22110989. The reversal of 22110961 is 16901122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17514225 + 4596736 = 4185^2 + 2144^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110961 - 2³ = 22110953 is a prime.

It is not a weakly prime, because it can be changed into another prime (22113961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055480 + 11055481.

It is an arithmetic number, because the mean of its divisors is an integer number (11055481).

Almost surely, 2^22110961 is an apocalyptic number.

It is an amenable number.

22110961 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110961 is an equidigital number, since it uses as much as digits as its factorization.

22110961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 22110961 is about 4702.2293648864. The cubic root of 22110961 is about 280.6742297681.

The spelling of 22110961 in words is "twenty-two million, one hundred ten thousand, nine hundred sixty-one".