1022252 has 24 divisors (see below), whose sum is σ = 2231040. Its totient is φ = 398160.

The previous prime is 1022251. The next prime is 1022291. The reversal of 1022252 is 2522201.

Added to its reverse (2522201) it gives a triangular number (3544453 = T₂₆₆₂).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1022251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (92960).

2^1022252 is an apocalyptic number.

It is an amenable number.

1022252 is an abundant number, since it is smaller than the sum of its proper divisors (1208788).

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

1022252 is a wasteful number, since it uses less digits than its factorization.

1022252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341 (or 3339 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1022252 is about 1011.0647852635. The cubic root of 1022252 is about 100.7362986702.

Adding to 1022252 its reverse (2522201), we get a palindrome (3544453).

The spelling of 1022252 in words is "one million, twenty-two thousand, two hundred fifty-two".