2002772 has 6 divisors (see below), whose sum is σ = 3504858. Its totient is φ = 1001384.

The previous prime is 2002747. The next prime is 2002783. The reversal of 2002772 is 2772002.

It can be written as a sum of positive squares in only one way, i.e., 1943236 + 59536 = 1394^2 + 244^2 .

It is a super-2 number, since 2×2002772² = 8022191367968, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250343 + ... + 250350.

It is an arithmetic number, because the mean of its divisors is an integer number (584143).

2^2002772 is an apocalyptic number.

It is an amenable number.

2002772 is a deficient number, since it is larger than the sum of its proper divisors (1502086).

2002772 is a wasteful number, since it uses less digits than its factorization.

2002772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500697 (or 500695 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 2002772 is about 1415.1932730196. The cubic root of 2002772 is about 126.0502864704.

Adding to 2002772 its reverse (2772002), we get a palindrome (4774774).

The spelling of 2002772 in words is "two million, two thousand, seven hundred seventy-two".