22213037 has 8 divisors (see below), whose sum is σ = 27694272. Its totient is φ = 17308800.

The previous prime is 22213007. The next prime is 22213049. The reversal of 22213037 is 73031222.

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

It is a cyclic number.

It is not a de Polignac number, because 22213037 - 2¹⁶ = 22147501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213007) 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, 144164 + ... + 144317.

It is an arithmetic number, because the mean of its divisors is an integer number (3461784).

Almost surely, 2^22213037 is an apocalyptic number.

It is an amenable number.

22213037 is a deficient number, since it is larger than the sum of its proper divisors (5481235).

22213037 is a wasteful number, since it uses less digits than its factorization.

22213037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288499.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 22213037 is about 4713.0708672796. The cubic root of 22213037 is about 281.1054808468.

Adding to 22213037 its reverse (73031222), we get a palindrome (95244259).

The spelling of 22213037 in words is "twenty-two million, two hundred thirteen thousand, thirty-seven".