1022431 has 8 divisors (see below), whose sum is σ = 1092960. Its totient is φ = 953088.

The previous prime is 1022429. The next prime is 1022443. The reversal of 1022431 is 1342201.

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

It is not a de Polignac number, because 1022431 - 2¹ = 1022429 is a prime.

It is a super-2 number, since 2×1022431² = 2090730299522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2110 + ... + 2548.

It is an arithmetic number, because the mean of its divisors is an integer number (136620).

2^1022431 is an apocalyptic number.

1022431 is a deficient number, since it is larger than the sum of its proper divisors (70529).

1022431 is a wasteful number, since it uses less digits than its factorization.

1022431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1022431 is about 1011.1533019281. The cubic root of 1022431 is about 100.7421780897.

Adding to 1022431 its reverse (1342201), we get a palindrome (2364632).

The spelling of 1022431 in words is "one million, twenty-two thousand, four hundred thirty-one".