22126461 has 16 divisors (see below), whose sum is σ = 33792000. Its totient is φ = 12615408.

The previous prime is 22126441. The next prime is 22126471. The reversal of 22126461 is 16462122.

It is not a de Polignac number, because 22126461 - 2⁶ = 22126397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22126441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11700 + ... + 13458.

It is an arithmetic number, because the mean of its divisors is an integer number (2112000).

Almost surely, 2^22126461 is an apocalyptic number.

22126461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22126461 is a deficient number, since it is larger than the sum of its proper divisors (11665539).

22126461 is a wasteful number, since it uses less digits than its factorization.

22126461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368.

The product of its digits is 1152, while the sum is 24.

The square root of 22126461 is about 4703.8772305408. The cubic root of 22126461 is about 280.7397995758.

Adding to 22126461 its reverse (16462122), we get a palindrome (38588583).

The spelling of 22126461 in words is "twenty-two million, one hundred twenty-six thousand, four hundred sixty-one".