26021422 has 16 divisors (see below), whose sum is σ = 44684640. Its totient is φ = 11132928.

The previous prime is 26021417. The next prime is 26021423. The reversal of 26021422 is 22412062.

It is a super-2 number, since 2×26021422² = 1354228805804168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26021422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26021423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9558 + ... + 11974.

It is an arithmetic number, because the mean of its divisors is an integer number (2792790).

Almost surely, 2^26021422 is an apocalyptic number.

26021422 is a deficient number, since it is larger than the sum of its proper divisors (18663218).

26021422 is a wasteful number, since it uses less digits than its factorization.

26021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 26021422 is about 5101.1196810112. The cubic root of 26021422 is about 296.3309468014.

Adding to 26021422 its reverse (22412062), we get a palindrome (48433484).

The spelling of 26021422 in words is "twenty-six million, twenty-one thousand, four hundred twenty-two".