1022436 has 24 divisors (see below), whose sum is σ = 2651040. Its totient is φ = 340776.

The previous prime is 1022429. The next prime is 1022443. The reversal of 1022436 is 6342201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1022429) and next prime (1022443).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4626 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (110460).

2^1022436 is an apocalyptic number.

It is an amenable number.

1022436 is an abundant number, since it is smaller than the sum of its proper divisors (1628604).

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

1022436 is a wasteful number, since it uses less digits than its factorization.

1022436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9480 (or 9472 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1022436 is about 1011.1557743493. The cubic root of 1022436 is about 100.7423423095.

Adding to 1022436 its reverse (6342201), we get a palindrome (7364637).

The spelling of 1022436 in words is "one million, twenty-two thousand, four hundred thirty-six".