1022403412 has 6 divisors (see below), whose sum is σ = 1789205978. Its totient is φ = 511201704.

The previous prime is 1022403407. The next prime is 1022403413. The reversal of 1022403412 is 2143042201.

1022403412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1019141776 + 3261636 = 31924^2 + 1806^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1022403412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022403413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127800423 + ... + 127800430.

Almost surely, 2^1022403412 is an apocalyptic number.

It is an amenable number.

1022403412 is a deficient number, since it is larger than the sum of its proper divisors (766802566).

1022403412 is a wasteful number, since it uses less digits than its factorization.

1022403412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255600857 (or 255600855 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1022403412 is about 31975.0435808929. The cubic root of 1022403412 is about 1007.4127198126.

Adding to 1022403412 its reverse (2143042201), we get a palindrome (3165445613).

The spelling of 1022403412 in words is "one billion, twenty-two million, four hundred three thousand, four hundred twelve".