22045970 has 8 divisors (see below), whose sum is σ = 39682764. Its totient is φ = 8818384.

The previous prime is 22045967. The next prime is 22045973. The reversal of 22045970 is 7954022.

It is an interprime number because it is at equal distance from previous prime (22045967) and next prime (22045973).

It can be written as a sum of positive squares in 2 ways, for example, as 20693401 + 1352569 = 4549^2 + 1163^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22045973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102289 + ... + 1102308.

Almost surely, 2^22045970 is an apocalyptic number.

22045970 is a deficient number, since it is larger than the sum of its proper divisors (17636794).

22045970 is a wasteful number, since it uses less digits than its factorization.

22045970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204604.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 22045970 is about 4695.3136210481. The cubic root of 22045970 is about 280.3989635717.

Adding to 22045970 its reverse (7954022), we get a palindrome (29999992).

The spelling of 22045970 in words is "twenty-two million, forty-five thousand, nine hundred seventy".