1022303144 has 8 divisors (see below), whose sum is σ = 1916818410. Its totient is φ = 511151568.

The previous prime is 1022303131. The next prime is 1022303147. The reversal of 1022303144 is 4413032201.

It can be written as a sum of positive squares in only one way, i.e., 989102500 + 33200644 = 31450^2 + 5762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1022303147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63893939 + ... + 63893954.

Almost surely, 2^1022303144 is an apocalyptic number.

It is an amenable number.

1022303144 is a deficient number, since it is larger than the sum of its proper divisors (894515266).

1022303144 is a wasteful number, since it uses less digits than its factorization.

1022303144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127787899 (or 127787895 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1022303144 is about 31973.4756321549. The cubic root of 1022303144 is about 1007.3797861194.

Adding to 1022303144 its reverse (4413032201), we get a palindrome (5435335345).

The spelling of 1022303144 in words is "one billion, twenty-two million, three hundred three thousand, one hundred forty-four".