22051123 has 2 divisors, whose sum is σ = 22051124. Its totient is φ = 22051122.

The previous prime is 22051111. The next prime is 22051147. The reversal of 22051123 is 32115022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22051123 is a prime.

It is a super-2 number, since 2×22051123² = 972504051122258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22051097 and 22051106.

It is not a weakly prime, because it can be changed into another prime (22051423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11025561 + 11025562.

It is an arithmetic number, because the mean of its divisors is an integer number (11025562).

Almost surely, 2^22051123 is an apocalyptic number.

22051123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22051123 is an equidigital number, since it uses as much as digits as its factorization.

22051123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 22051123 is about 4695.8623276242. The cubic root of 22051123 is about 280.4208085816.

Adding to 22051123 its reverse (32115022), we get a palindrome (54166145).

The spelling of 22051123 in words is "twenty-two million, fifty-one thousand, one hundred twenty-three".