1022145524 has 12 divisors (see below), whose sum is σ = 1818078948. Its totient is φ = 502694400.

The previous prime is 1022145511. The next prime is 1022145569. The reversal of 1022145524 is 4255412201.

It can be written as a sum of positive squares in 2 ways, for example, as 230736100 + 791409424 = 15190^2 + 28132^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022145493 and 1022145502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094317 + ... + 2094804.

It is an arithmetic number, because the mean of its divisors is an integer number (151506579).

Almost surely, 2^1022145524 is an apocalyptic number.

It is an amenable number.

1022145524 is a deficient number, since it is larger than the sum of its proper divisors (795933424).

1022145524 is a wasteful number, since it uses less digits than its factorization.

1022145524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189186 (or 4189184 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1022145524 is about 31971.0106815534. The cubic root of 1022145524 is about 1007.3280104258.

Adding to 1022145524 its reverse (4255412201), we get a palindrome (5277557725).

The spelling of 1022145524 in words is "one billion, twenty-two million, one hundred forty-five thousand, five hundred twenty-four".