1021422 has 32 divisors (see below), whose sum is σ = 2166912. Its totient is φ = 320544.

The previous prime is 1021417. The next prime is 1021429. The reversal of 1021422 is 2241201.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1021398 and 1021407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021429) 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, 9493 + ... + 9599.

It is an arithmetic number, because the mean of its divisors is an integer number (67716).

2^1021422 is an apocalyptic number.

1021422 is an abundant number, since it is smaller than the sum of its proper divisors (1145490).

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

1021422 is a wasteful number, since it uses less digits than its factorization.

1021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192.

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

The square root of 1021422 is about 1010.6542435472. The cubic root of 1021422 is about 100.7090275841.

Adding to 1021422 its reverse (2241201), we get a palindrome (3262623).

The spelling of 1021422 in words is "one million, twenty-one thousand, four hundred twenty-two".