22402826 has 4 divisors (see below), whose sum is σ = 33604242. Its totient is φ = 11201412.

The previous prime is 22402811. The next prime is 22402859. The reversal of 22402826 is 62820422.

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., 21298225 + 1104601 = 4615^2 + 1051^2 .

It is a super-2 number, since 2×22402826² = 1003773225572552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22402795 and 22402804.

It is an unprimeable number.

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, 5600705 + ... + 5600708.

Almost surely, 2^22402826 is an apocalyptic number.

22402826 is a deficient number, since it is larger than the sum of its proper divisors (11201416).

22402826 is a wasteful number, since it uses less digits than its factorization.

22402826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201415.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 22402826 is about 4733.1623678044. The cubic root of 22402826 is about 281.9038033473.

The spelling of 22402826 in words is "twenty-two million, four hundred two thousand, eight hundred twenty-six".