1022303444 has 12 divisors (see below), whose sum is σ = 1794676884. Its totient is φ = 509538624.

The previous prime is 1022303419. The next prime is 1022303489. The reversal of 1022303444 is 4443032201.

It can be written as a sum of positive squares in 2 ways, for example, as 481275844 + 541027600 = 21938^2 + 23260^2 .

It is a super-2 number, since 2×1022303444² = 2090208663228522272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401849 + ... + 404384.

It is an arithmetic number, because the mean of its divisors is an integer number (149556407).

Almost surely, 2^1022303444 is an apocalyptic number.

It is an amenable number.

1022303444 is a deficient number, since it is larger than the sum of its proper divisors (772373440).

1022303444 is a wasteful number, since it uses less digits than its factorization.

1022303444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806554 (or 806552 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1022303444 is about 31973.4803235431. The cubic root of 1022303444 is about 1007.3798846596.

Adding to 1022303444 its reverse (4443032201), we get a palindrome (5465335645).

The spelling of 1022303444 in words is "one billion, twenty-two million, three hundred three thousand, four hundred forty-four".