11542222 has 4 divisors (see below), whose sum is σ = 17313336. Its totient is φ = 5771110.

The previous prime is 11542217. The next prime is 11542231. The reversal of 11542222 is 22224511.

11542222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22224511 = 269 ⋅82619.

11542222 is a modest number, since divided by 2222 gives 1154 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 11542222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2885554 + ... + 2885557.

It is an arithmetic number, because the mean of its divisors is an integer number (4328334).

Almost surely, 2^11542222 is an apocalyptic number.

11542222 is a deficient number, since it is larger than the sum of its proper divisors (5771114).

11542222 is an equidigital number, since it uses as much as digits as its factorization.

11542222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771113.

The product of its digits is 320, while the sum is 19.

The square root of 11542222 is about 3397.3845822927. The cubic root of 11542222 is about 225.9937738123.

Adding to 11542222 its reverse (22224511), we get a palindrome (33766733).

The spelling of 11542222 in words is "eleven million, five hundred forty-two thousand, two hundred twenty-two".