1022143244 has 12 divisors (see below), whose sum is σ = 1802836224. Its totient is φ = 507047184.

The previous prime is 1022143229. The next prime is 1022143259. The reversal of 1022143244 is 4423412201.

It is an interprime number because it is at equal distance from previous prime (1022143229) and next prime (1022143259).

It is a super-2 number, since 2×1022143244² = 2089553622509687072, which contains 22 as substring.

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, 1005539 + ... + 1006554.

It is an arithmetic number, because the mean of its divisors is an integer number (150236352).

Almost surely, 2^1022143244 is an apocalyptic number.

It is an amenable number.

1022143244 is a deficient number, since it is larger than the sum of its proper divisors (780692980).

1022143244 is a wasteful number, since it uses less digits than its factorization.

1022143244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012224 (or 2012222 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1022143244 is about 31970.9750242310. The cubic root of 1022143244 is about 1007.3272614426.

Adding to 1022143244 its reverse (4423412201), we get a palindrome (5445555445).

The spelling of 1022143244 in words is "one billion, twenty-two million, one hundred forty-three thousand, two hundred forty-four".