1422531 has 12 divisors (see below), whose sum is σ = 2241720. Its totient is φ = 862080.

The previous prime is 1422523. The next prime is 1422541. The reversal of 1422531 is 1352241.

It is not a de Polignac number, because 1422531 - 2³ = 1422523 is a prime.

It is a super-2 number, since 2×1422531² = 4047188891922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7086 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (186810).

2^1422531 is an apocalyptic number.

1422531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1422531 is a deficient number, since it is larger than the sum of its proper divisors (819189).

1422531 is a wasteful number, since it uses less digits than its factorization.

1422531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14386 (or 14383 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1422531 is about 1192.6990399929. The cubic root of 1422531 is about 112.4658266575.

Adding to 1422531 its reverse (1352241), we get a palindrome (2774772).

It can be divided in two parts, 1422 and 531, that added together give a triangular number (1953 = T₆₂).

The spelling of 1422531 in words is "one million, four hundred twenty-two thousand, five hundred thirty-one".