11945222 has 4 divisors (see below), whose sum is σ = 17917836. Its totient is φ = 5972610.

The previous prime is 11945221. The next prime is 11945231. The reversal of 11945222 is 22254911.

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

It is a super-3 number, since 3×11945222³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11945191 and 11945200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11945221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2986304 + ... + 2986307.

It is an arithmetic number, because the mean of its divisors is an integer number (4479459).

Almost surely, 2^11945222 is an apocalyptic number.

11945222 is a deficient number, since it is larger than the sum of its proper divisors (5972614).

11945222 is an equidigital number, since it uses as much as digits as its factorization.

11945222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5972613.

The product of its digits is 1440, while the sum is 26.

The square root of 11945222 is about 3456.1860482329. The cubic root of 11945222 is about 228.5939551087.

It can be divided in two parts, 11945 and 222, that added together give a cube (12167 = 23³).

The spelling of 11945222 in words is "eleven million, nine hundred forty-five thousand, two hundred twenty-two".