1772022 has 32 divisors (see below), whose sum is σ = 4184064. Its totient is φ = 489600.

The previous prime is 1772011. The next prime is 1772033. The reversal of 1772022 is 2202771.

It is an interprime number because it is at equal distance from previous prime (1772011) and next prime (1772033).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1772022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622 + ... + 1982.

It is an arithmetic number, because the mean of its divisors is an integer number (130752).

2^1772022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1772022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2092032).

1772022 is an abundant number, since it is smaller than the sum of its proper divisors (2412042).

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

1772022 is a wasteful number, since it uses less digits than its factorization.

1772022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404.

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

The square root of 1772022 is about 1331.1731667969. The cubic root of 1772022 is about 121.0104947298.

Adding to 1772022 its reverse (2202771), we get a palindrome (3974793).

The spelling of 1772022 in words is "one million, seven hundred seventy-two thousand, twenty-two".