22070045 has 8 divisors (see below), whose sum is σ = 26515896. Its totient is φ = 17634816.

The previous prime is 22070033. The next prime is 22070053. The reversal of 22070045 is 54007022.

It can be written as a sum of positive squares in 4 ways, for example, as 5112121 + 16957924 = 2261^2 + 4118^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22070045 - 2⁶ = 22069981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22069999 and 22070026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3029 + ... + 7301.

It is an arithmetic number, because the mean of its divisors is an integer number (3314487).

Almost surely, 2^22070045 is an apocalyptic number.

It is an amenable number.

22070045 is a deficient number, since it is larger than the sum of its proper divisors (4445851).

22070045 is a wasteful number, since it uses less digits than its factorization.

22070045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 22070045 is about 4697.8766480188. The cubic root of 22070045 is about 280.5009950577.

Adding to 22070045 its reverse (54007022), we get a palindrome (76077067).

The spelling of 22070045 in words is "twenty-two million, seventy thousand, forty-five".