1421022 has 24 divisors (see below), whose sum is σ = 2937816. Its totient is φ = 458208.

The previous prime is 1421011. The next prime is 1421027. The reversal of 1421022 is 2201241.

It is a junction number, because it is equal to n+sod(n) for n = 1420989 and 1421007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8128 + ... + 8300.

It is an arithmetic number, because the mean of its divisors is an integer number (122409).

2^1421022 is an apocalyptic number.

1421022 is an abundant number, since it is smaller than the sum of its proper divisors (1516794).

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

1421022 is a wasteful number, since it uses less digits than its factorization.

1421022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 215 counting only the distinct ones).

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

The square root of 1421022 is about 1192.0662733254. The cubic root of 1421022 is about 112.4260452217.

Adding to 1421022 its reverse (2201241), we get a palindrome (3622263).

The spelling of 1421022 in words is "one million, four hundred twenty-one thousand, twenty-two".