26222330 has 32 divisors (see below), whose sum is σ = 50685264. Its totient is φ = 9732096.

The previous prime is 26222321. The next prime is 26222353. The reversal of 26222330 is 3322262.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6446521 + 19775809 = 2539^2 + 4447^2 .

It is a super-2 number, since 2×26222330² = 1375221181257800, which contains 22 as substring.

It is a Curzon number.

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 in 15 ways as a sum of consecutive naturals, for example, 11354 + ... + 13466.

Almost surely, 2^26222330 is an apocalyptic number.

26222330 is a deficient number, since it is larger than the sum of its proper divisors (24462934).

26222330 is a wasteful number, since it uses less digits than its factorization.

26222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 26222330 is about 5120.7743555052. The cubic root of 26222330 is about 297.0916365952.

Adding to 26222330 its reverse (3322262), we get a palindrome (29544592).

It can be divided in two parts, 2622 and 2330, that multiplied together give a triangular number (6109260 = T₃₄₉₅).

The spelling of 26222330 in words is "twenty-six million, two hundred twenty-two thousand, three hundred thirty".