22068047 has 4 divisors (see below), whose sum is σ = 22084920. Its totient is φ = 22051176.

The previous prime is 22068041. The next prime is 22068049. The reversal of 22068047 is 74086022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74086022 = 2 ⋅37043011.

It is a cyclic number.

It is not a de Polignac number, because 22068047 - 2¹⁶ = 22002511 is a prime.

It is a pancake number, because a pancake can be divided into 22068047 parts by 6643 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22068041) 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, 6293 + ... + 9150.

It is an arithmetic number, because the mean of its divisors is an integer number (5521230).

Almost surely, 2^22068047 is an apocalyptic number.

22068047 is a deficient number, since it is larger than the sum of its proper divisors (16873).

22068047 is a wasteful number, since it uses less digits than its factorization.

22068047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16872.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 22068047 is about 4697.6639939442. The cubic root of 22068047 is about 280.4925302222.

The spelling of 22068047 in words is "twenty-two million, sixty-eight thousand, forty-seven".