26422144 has 64 divisors (see below), whose sum is σ = 61860960. Its totient is φ = 11003904.

The previous prime is 26422133. The next prime is 26422157. The reversal of 26422144 is 44122462.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 32754 + ... + 33550.

Almost surely, 2^26422144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26422144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30930480).

26422144 is an abundant number, since it is smaller than the sum of its proper divisors (35438816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26422144 is an equidigital number, since it uses as much as digits as its factorization.

26422144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 843 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 26422144 is about 5140.2474648600. The cubic root of 26422144 is about 297.8443401279.

The spelling of 26422144 in words is "twenty-six million, four hundred twenty-two thousand, one hundred forty-four".