22620226 has 4 divisors (see below), whose sum is σ = 33930342. Its totient is φ = 11310112.

The previous prime is 22620223. The next prime is 22620229. The reversal of 22620226 is 62202622.

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 (22620223) and next prime (22620229).

It can be written as a sum of positive squares in only one way, i.e., 22610025 + 10201 = 4755^2 + 101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22620197 and 22620206.

It is not an unprimeable number, because it can be changed into a prime (22620223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655055 + ... + 5655058.

Almost surely, 2^22620226 is an apocalyptic number.

22620226 is a deficient number, since it is larger than the sum of its proper divisors (11310116).

22620226 is a wasteful number, since it uses less digits than its factorization.

22620226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11310115.

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

The square root of 22620226 is about 4756.0725393963. The cubic root of 22620226 is about 282.8127468085.

Adding to 22620226 its reverse (62202622), we get a palindrome (84822848).

The spelling of 22620226 in words is "twenty-two million, six hundred twenty thousand, two hundred twenty-six".