22042273 has 8 divisors (see below), whose sum is σ = 24605856. Its totient is φ = 19572000.

The previous prime is 22042249. The next prime is 22042301. The reversal of 22042273 is 37224022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22042273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22042213) 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, 22828 + ... + 23773.

It is an arithmetic number, because the mean of its divisors is an integer number (3075732).

Almost surely, 2^22042273 is an apocalyptic number.

It is an amenable number.

22042273 is a deficient number, since it is larger than the sum of its proper divisors (2563583).

22042273 is a wasteful number, since it uses less digits than its factorization.

22042273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46655.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22042273 is about 4694.9199141199. The cubic root of 22042273 is about 280.3832888563.

Adding to 22042273 its reverse (37224022), we get a palindrome (59266295).

The spelling of 22042273 in words is "twenty-two million, forty-two thousand, two hundred seventy-three".