26221344 has 48 divisors (see below), whose sum is σ = 72884448. Its totient is φ = 8225792.

The previous prime is 26221339. The next prime is 26221369. The reversal of 26221344 is 44312262.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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, 6402 + ... + 9665.

It is an arithmetic number, because the mean of its divisors is an integer number (1518426).

Almost surely, 2^26221344 is an apocalyptic number.

26221344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26221344 is an abundant number, since it is smaller than the sum of its proper divisors (46663104).

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

26221344 is a wasteful number, since it uses less digits than its factorization.

26221344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16097 (or 16089 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 26221344 is about 5120.6780800984. The cubic root of 26221344 is about 297.0879128474.

It can be divided in two parts, 26221 and 344, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 26221344 in words is "twenty-six million, two hundred twenty-one thousand, three hundred forty-four".