22126051 has 6 divisors (see below), whose sum is σ = 23352252. Its totient is φ = 20961180.

The previous prime is 22126021. The next prime is 22126073. The reversal of 22126051 is 15062122.

It is not a de Polignac number, because 22126051 - 2⁷ = 22125923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22126021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30285 + ... + 31006.

It is an arithmetic number, because the mean of its divisors is an integer number (3892042).

Almost surely, 2^22126051 is an apocalyptic number.

22126051 is a deficient number, since it is larger than the sum of its proper divisors (1226201).

22126051 is an equidigital number, since it uses as much as digits as its factorization.

22126051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61329 (or 61310 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 22126051 is about 4703.8336492695. The cubic root of 22126051 is about 280.7380655430.

Adding to 22126051 its reverse (15062122), we get a palindrome (37188173).

The spelling of 22126051 in words is "twenty-two million, one hundred twenty-six thousand, fifty-one".