22223157 has 8 divisors (see below), whose sum is σ = 32324640. Its totient is φ = 13468560.

The previous prime is 22223147. The next prime is 22223161. The reversal of 22223157 is 75132222.

It is a happy number.

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

It is not a de Polignac number, because 22223157 - 2¹¹ = 22221109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223137) 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, 336682 + ... + 336747.

It is an arithmetic number, because the mean of its divisors is an integer number (4040580).

Almost surely, 2^22223157 is an apocalyptic number.

It is an amenable number.

22223157 is a deficient number, since it is larger than the sum of its proper divisors (10101483).

22223157 is a wasteful number, since it uses less digits than its factorization.

22223157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673443.

The product of its digits is 1680, while the sum is 24.

The square root of 22223157 is about 4714.1443550235. The cubic root of 22223157 is about 281.1481638225.

Adding to 22223157 its reverse (75132222), we get a palindrome (97355379).

The spelling of 22223157 in words is "twenty-two million, two hundred twenty-three thousand, one hundred fifty-seven".