22077213 has 8 divisors (see below), whose sum is σ = 29502528. Its totient is φ = 14685024.

The previous prime is 22077193. The next prime is 22077241. The reversal of 22077213 is 31277022.

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

It is not a de Polignac number, because 22077213 - 2¹⁶ = 22011677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22077283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6681 + ... + 9422.

It is an arithmetic number, because the mean of its divisors is an integer number (3687816).

Almost surely, 2^22077213 is an apocalyptic number.

It is an amenable number.

22077213 is a deficient number, since it is larger than the sum of its proper divisors (7425315).

22077213 is a wasteful number, since it uses less digits than its factorization.

22077213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16563.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 22077213 is about 4698.6394839357. The cubic root of 22077213 is about 280.5313591930.

The spelling of 22077213 in words is "twenty-two million, seventy-seven thousand, two hundred thirteen".