22070746 has 8 divisors (see below), whose sum is σ = 33317460. Its totient is φ = 10964928.

The previous prime is 22070717. The next prime is 22070753. The reversal of 22070746 is 64707022.

It can be written as a sum of positive squares in 2 ways, for example, as 20657025 + 1413721 = 4545^2 + 1189^2 .

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

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, 34831 + ... + 35458.

Almost surely, 2^22070746 is an apocalyptic number.

22070746 is a deficient number, since it is larger than the sum of its proper divisors (11246714).

22070746 is a wasteful number, since it uses less digits than its factorization.

22070746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70448.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 22070746 is about 4697.9512556007. The cubic root of 22070746 is about 280.5039648314.

Adding to 22070746 its reverse (64707022), we get a palindrome (86777768).

The spelling of 22070746 in words is "twenty-two million, seventy thousand, seven hundred forty-six".