1522231 has 8 divisors (see below), whose sum is σ = 1625184. Its totient is φ = 1420800.

The previous prime is 1522201. The next prime is 1522249. The reversal of 1522231 is 1322251.

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

It is a cyclic number.

It is not a de Polignac number, because 1522231 - 2¹³ = 1514039 is a prime.

It is a super-2 number, since 2×1522231² = 4634374434722, which contains 22 as substring.

It is a Duffinian number.

1522231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522201) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2271 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (203148).

2^1522231 is an apocalyptic number.

1522231 is a deficient number, since it is larger than the sum of its proper divisors (102953).

1522231 is a wasteful number, since it uses less digits than its factorization.

1522231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761.

The product of its digits is 120, while the sum is 16.

The square root of 1522231 is about 1233.7872588092. The cubic root of 1522231 is about 115.0341675413.

Adding to 1522231 its reverse (1322251), we get a palindrome (2844482).

The spelling of 1522231 in words is "one million, five hundred twenty-two thousand, two hundred thirty-one".