22221074 has 8 divisors (see below), whose sum is σ = 35292348. Its totient is φ = 10456960.

The previous prime is 22221061. The next prime is 22221097. The reversal of 22221074 is 47012222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21669025 + 552049 = 4655^2 + 743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22221074² = 987552259426952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326747 + ... + 326814.

Almost surely, 2^22221074 is an apocalyptic number.

22221074 is a deficient number, since it is larger than the sum of its proper divisors (13071274).

22221074 is a wasteful number, since it uses less digits than its factorization.

22221074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653580.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 22221074 is about 4713.9234189791. The cubic root of 22221074 is about 281.1393794432.

Adding to 22221074 its reverse (47012222), we get a palindrome (69233296).

The spelling of 22221074 in words is "twenty-two million, two hundred twenty-one thousand, seventy-four".