1022001224 has 16 divisors (see below), whose sum is σ = 1935226620. Its totient is φ = 505940800.

The previous prime is 1022001187. The next prime is 1022001289. The reversal of 1022001224 is 4221002201.

It can be written as a sum of positive squares in 2 ways, for example, as 1011876100 + 10125124 = 31810^2 + 3182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022001199 and 1022001208.

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, 631619 + ... + 633234.

Almost surely, 2^1022001224 is an apocalyptic number.

It is an amenable number.

1022001224 is a deficient number, since it is larger than the sum of its proper divisors (913225396).

1022001224 is a wasteful number, since it uses less digits than its factorization.

1022001224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264960 (or 1264956 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1022001224 is about 31968.7538699900. The cubic root of 1022001224 is about 1007.2806054757.

Adding to 1022001224 its reverse (4221002201), we get a palindrome (5243003425).

The spelling of 1022001224 in words is "one billion, twenty-two million, one thousand, two hundred twenty-four".