22406026 has 4 divisors (see below), whose sum is σ = 33609042. Its totient is φ = 11203012.

The previous prime is 22406023. The next prime is 22406029. The reversal of 22406026 is 62060422.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (22406023) and next prime (22406029).

It can be written as a sum of positive squares in only one way, i.e., 18792225 + 3613801 = 4335^2 + 1901^2 .

It is a super-2 number, since 2×22406026² = 1004060002225352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22405988 and 22406006.

It is not an unprimeable number, because it can be changed into a prime (22406023) 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, 5601505 + ... + 5601508.

Almost surely, 2^22406026 is an apocalyptic number.

22406026 is a deficient number, since it is larger than the sum of its proper divisors (11203016).

22406026 is a wasteful number, since it uses less digits than its factorization.

22406026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11203015.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22406026 is about 4733.5003961128. The cubic root of 22406026 is about 281.9172250056.

Adding to 22406026 its reverse (62060422), we get a palindrome (84466448).

The spelling of 22406026 in words is "twenty-two million, four hundred six thousand, twenty-six".