26220434 has 8 divisors (see below), whose sum is σ = 39353148. Its totient is φ = 13102720.

The previous prime is 26220433. The next prime is 26220449. The reversal of 26220434 is 43402262.

It can be written as a sum of positive squares in 2 ways, for example, as 25472209 + 748225 = 5047^2 + 865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26220434² = 1375022318296712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26220431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3194 + ... + 7914.

Almost surely, 2^26220434 is an apocalyptic number.

26220434 is a deficient number, since it is larger than the sum of its proper divisors (13132714).

26220434 is a wasteful number, since it uses less digits than its factorization.

26220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 26220434 is about 5120.5892239077. The cubic root of 26220434 is about 297.0844760400.

Adding to 26220434 its reverse (43402262), we get a palindrome (69622696).

The spelling of 26220434 in words is "twenty-six million, two hundred twenty thousand, four hundred thirty-four".