1522238 has 4 divisors (see below), whose sum is σ = 2283360. Its totient is φ = 761118.

The previous prime is 1522201. The next prime is 1522249. The reversal of 1522238 is 8322251.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 380558 + ... + 380561.

It is an arithmetic number, because the mean of its divisors is an integer number (570840).

2^1522238 is an apocalyptic number.

1522238 is a deficient number, since it is larger than the sum of its proper divisors (761122).

1522238 is an equidigital number, since it uses as much as digits as its factorization.

1522238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761121.

The product of its digits is 960, while the sum is 23.

The square root of 1522238 is about 1233.7900955997. The cubic root of 1522238 is about 115.0343438697.

Adding to 1522238 its reverse (8322251), we get a palindrome (9844489).

The spelling of 1522238 in words is "one million, five hundred twenty-two thousand, two hundred thirty-eight".