26420722 has 4 divisors (see below), whose sum is σ = 39631086. Its totient is φ = 13210360.

The previous prime is 26420677. The next prime is 26420729. The reversal of 26420722 is 22702462.

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., 24810361 + 1610361 = 4981^2 + 1269^2 .

It is not an unprimeable number, because it can be changed into a prime (26420729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605179 + ... + 6605182.

Almost surely, 2^26420722 is an apocalyptic number.

26420722 is a deficient number, since it is larger than the sum of its proper divisors (13210364).

26420722 is a wasteful number, since it uses less digits than its factorization.

26420722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13210363.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 26420722 is about 5140.1091428101. The cubic root of 26420722 is about 297.8389968541.

The spelling of 26420722 in words is "twenty-six million, four hundred twenty thousand, seven hundred twenty-two".