26222400026 has 4 divisors (see below), whose sum is σ = 39333600042. Its totient is φ = 13111200012.

The previous prime is 26222400019. The next prime is 26222400031. The reversal of 26222400026 is 62000422262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19530342001 + 6692058025 = 139751^2 + 81805^2 .

It is a super-2 number, since 2×26222400026² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26222399968 and 26222400004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555600005 + ... + 6555600008.

Almost surely, 2^26222400026 is an apocalyptic number.

26222400026 is a deficient number, since it is larger than the sum of its proper divisors (13111200016).

26222400026 is a wasteful number, since it uses less digits than its factorization.

26222400026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13111200015.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 26222400026 its reverse (62000422262), we get a palindrome (88222822288).

The spelling of 26222400026 in words is "twenty-six billion, two hundred twenty-two million, four hundred thousand, twenty-six".