10572218 has 4 divisors (see below), whose sum is σ = 15858330. Its totient is φ = 5286108.

The previous prime is 10572217. The next prime is 10572251. The reversal of 10572218 is 81227501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9042049 + 1530169 = 3007^2 + 1237^2 .

It is a super-2 number, since 2×10572218² = 223543586879048, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10572217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643053 + ... + 2643056.

Almost surely, 2^10572218 is an apocalyptic number.

10572218 is a deficient number, since it is larger than the sum of its proper divisors (5286112).

10572218 is an equidigital number, since it uses as much as digits as its factorization.

10572218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286111.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 10572218 is about 3251.4947331958. The cubic root of 10572218 is about 219.4768423221.

Adding to 10572218 its reverse (81227501), we get a palindrome (91799719).

The spelling of 10572218 in words is "ten million, five hundred seventy-two thousand, two hundred eighteen".