1022540853 has 4 divisors (see below), whose sum is σ = 1363387808. Its totient is φ = 681693900.

The previous prime is 1022540839. The next prime is 1022540929. The reversal of 1022540853 is 3580452201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1022540853 - 2⁵ = 1022540821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022540853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022540153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170423473 + ... + 170423478.

It is an arithmetic number, because the mean of its divisors is an integer number (340846952).

Almost surely, 2^1022540853 is an apocalyptic number.

It is an amenable number.

1022540853 is a deficient number, since it is larger than the sum of its proper divisors (340846955).

1022540853 is an equidigital number, since it uses as much as digits as its factorization.

1022540853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340846954.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1022540853 is about 31977.1927004232. The cubic root of 1022540853 is about 1007.4578597271.

The spelling of 1022540853 in words is "one billion, twenty-two million, five hundred forty thousand, eight hundred fifty-three".