22606994 has 8 divisors (see below), whose sum is σ = 33934908. Its totient is φ = 11295360.

The previous prime is 22606993. The next prime is 22607009. The reversal of 22606994 is 49960622.

It can be written as a sum of positive squares in 2 ways, for example, as 22231225 + 375769 = 4715^2 + 613^2 .

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

It is a super-2 number, since 2×22606994² = 1022152355432072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22606993) 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, 374 + ... + 6734.

Almost surely, 2^22606994 is an apocalyptic number.

22606994 is a deficient number, since it is larger than the sum of its proper divisors (11327914).

22606994 is a wasteful number, since it uses less digits than its factorization.

22606994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 22606994 is about 4754.6812721780. The cubic root of 22606994 is about 282.7575910350.

The spelling of 22606994 in words is "twenty-two million, six hundred six thousand, nine hundred ninety-four".