22220573 has 4 divisors (see below), whose sum is σ = 22233408. Its totient is φ = 22207740.

The previous prime is 22220537. The next prime is 22220603. The reversal of 22220573 is 37502222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22220573 - 2⁶ = 22220509 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 (22220503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3323 + ... + 7448.

It is an arithmetic number, because the mean of its divisors is an integer number (5558352).

Almost surely, 2^22220573 is an apocalyptic number.

It is an amenable number.

22220573 is a deficient number, since it is larger than the sum of its proper divisors (12835).

22220573 is a wasteful number, since it uses less digits than its factorization.

22220573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12834.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22220573 is about 4713.8702782321. The cubic root of 22220573 is about 281.1372665557.

Adding to 22220573 its reverse (37502222), we get a palindrome (59722795).

The spelling of 22220573 in words is "twenty-two million, two hundred twenty thousand, five hundred seventy-three".