1022613663 has 4 divisors (see below), whose sum is σ = 1363484888. Its totient is φ = 681742440.

The previous prime is 1022613653. The next prime is 1022613667. The reversal of 1022613663 is 3663162201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1022613663 - 2¹⁰ = 1022612639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022613663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022613667) 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, 170435608 + ... + 170435613.

It is an arithmetic number, because the mean of its divisors is an integer number (340871222).

Almost surely, 2^1022613663 is an apocalyptic number.

1022613663 is a deficient number, since it is larger than the sum of its proper divisors (340871225).

1022613663 is an equidigital number, since it uses as much as digits as its factorization.

1022613663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340871224.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1022613663 is about 31978.3311478257. The cubic root of 1022613663 is about 1007.4817711648.

Adding to 1022613663 its reverse (3663162201), we get a palindrome (4685775864).

The spelling of 1022613663 in words is "one billion, twenty-two million, six hundred thirteen thousand, six hundred sixty-three".