22670971 has 4 divisors (see below), whose sum is σ = 23864200. Its totient is φ = 21477744.

The previous prime is 22670969. The next prime is 22670993. The reversal of 22670971 is 17907622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17907622 = 2 ⋅8953811.

It is a cyclic number.

It is not a de Polignac number, because 22670971 - 2¹ = 22670969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22670941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596586 + ... + 596623.

It is an arithmetic number, because the mean of its divisors is an integer number (5966050).

Almost surely, 2^22670971 is an apocalyptic number.

22670971 is a deficient number, since it is larger than the sum of its proper divisors (1193229).

22670971 is a wasteful number, since it uses less digits than its factorization.

22670971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193228.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 22670971 is about 4761.4043096549. The cubic root of 22670971 is about 283.0240711711.

The spelling of 22670971 in words is "twenty-two million, six hundred seventy thousand, nine hundred seventy-one".