1523422 has 4 divisors (see below), whose sum is σ = 2285136. Its totient is φ = 761710.

The previous prime is 1523419. The next prime is 1523429. The reversal of 1523422 is 2243251.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1523422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380854 + ... + 380857.

It is an arithmetic number, because the mean of its divisors is an integer number (571284).

2^1523422 is an apocalyptic number.

1523422 is a deficient number, since it is larger than the sum of its proper divisors (761714).

1523422 is an equidigital number, since it uses as much as digits as its factorization.

1523422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761713.

The product of its digits is 480, while the sum is 19.

The square root of 1523422 is about 1234.2698246332. The cubic root of 1523422 is about 115.0641607941.

Adding to 1523422 its reverse (2243251), we get a palindrome (3766673).

The spelling of 1523422 in words is "one million, five hundred twenty-three thousand, four hundred twenty-two".