1022772 has 24 divisors (see below), whose sum is σ = 2469600. Its totient is φ = 329056.

The previous prime is 1022761. The next prime is 1022773. The reversal of 1022772 is 2772201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122 + ... + 1817.

It is an arithmetic number, because the mean of its divisors is an integer number (102900).

2^1022772 is an apocalyptic number.

1022772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022772 is an abundant number, since it is smaller than the sum of its proper divisors (1446828).

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

1022772 is a wasteful number, since it uses less digits than its factorization.

1022772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 1022772 is about 1011.3219072086. The cubic root of 1022772 is about 100.7533766496.

Adding to 1022772 its reverse (2772201), we get a palindrome (3794973).

The spelling of 1022772 in words is "one million, twenty-two thousand, seven hundred seventy-two".