1022412 has 12 divisors (see below), whose sum is σ = 2385656. Its totient is φ = 340800.

The previous prime is 1022389. The next prime is 1022429. The reversal of 1022412 is 2142201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 85201 = 1022412 / (1 + 0 + 2 + 2 + 4 + 1 + 2).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42589 + ... + 42612.

2^1022412 is an apocalyptic number.

1022412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022412 is an abundant number, since it is smaller than the sum of its proper divisors (1363244).

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

1022412 is a wasteful number, since it uses less digits than its factorization.

1022412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85208 (or 85206 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1022412 is about 1011.1439066720. The cubic root of 1022412 is about 100.7415540498.

Adding to 1022412 its reverse (2142201), we get a palindrome (3164613).

It can be divided in two parts, 10 and 22412, that added together give a palindrome (22422).

The spelling of 1022412 in words is "one million, twenty-two thousand, four hundred twelve".