1022424 has 64 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 301056.

The previous prime is 1022389. The next prime is 1022429. The reversal of 1022424 is 4242201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8992 + ... + 9104.

2^1022424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436400).

1022424 is an abundant number, since it is smaller than the sum of its proper divisors (1850376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022424 is a wasteful number, since it uses less digits than its factorization.

1022424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1022424 is about 1011.1498405281. The cubic root of 1022424 is about 100.7419481812.

Adding to 1022424 its reverse (4242201), we get a palindrome (5264625).

The spelling of 1022424 in words is "one million, twenty-two thousand, four hundred twenty-four".