1021532422 has 4 divisors (see below), whose sum is σ = 1532298636. Its totient is φ = 510766210.

The previous prime is 1021532401. The next prime is 1021532437. The reversal of 1021532422 is 2242351201.

It is a happy number.

1021532422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2242351201 = 431 ⋅5202671.

It is a junction number, because it is equal to n+sod(n) for n = 1021532393 and 1021532402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255383104 + ... + 255383107.

It is an arithmetic number, because the mean of its divisors is an integer number (383074659).

Almost surely, 2^1021532422 is an apocalyptic number.

1021532422 is a deficient number, since it is larger than the sum of its proper divisors (510766214).

1021532422 is an equidigital number, since it uses as much as digits as its factorization.

1021532422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510766213.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1021532422 is about 31961.4208382544. The cubic root of 1021532422 is about 1007.1265654175.

Adding to 1021532422 its reverse (2242351201), we get a palindrome (3263883623).

The spelling of 1021532422 in words is "one billion, twenty-one million, five hundred thirty-two thousand, four hundred twenty-two".