1022813047 has 8 divisors (see below), whose sum is σ = 1040089680. Its totient is φ = 1005552960.

The previous prime is 1022813021. The next prime is 1022813053. The reversal of 1022813047 is 7403182201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022813047 - 2²⁷ = 888595319 is a prime.

It is a super-2 number, since 2×1022813047² = 2092293058226848418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022813017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229779 + ... + 234187.

It is an arithmetic number, because the mean of its divisors is an integer number (130011210).

Almost surely, 2^1022813047 is an apocalyptic number.

1022813047 is a deficient number, since it is larger than the sum of its proper divisors (17276633).

1022813047 is an equidigital number, since it uses as much as digits as its factorization.

1022813047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1022813047 is about 31981.4484818934. The cubic root of 1022813047 is about 1007.5472447967.

Adding to 1022813047 its reverse (7403182201), we get a palindrome (8425995248).

The spelling of 1022813047 in words is "one billion, twenty-two million, eight hundred thirteen thousand, forty-seven".