1022311899 has 24 divisors (see below), whose sum is σ = 1723537920. Its totient is φ = 571747248.

The previous prime is 1022311883. The next prime is 1022311907. The reversal of 1022311899 is 9981132201.

It is not a de Polignac number, because 1022311899 - 2⁴ = 1022311883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022311879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169669 + ... + 175590.

It is an arithmetic number, because the mean of its divisors is an integer number (71814080).

Almost surely, 2^1022311899 is an apocalyptic number.

1022311899 is a deficient number, since it is larger than the sum of its proper divisors (701226021).

1022311899 is a wasteful number, since it uses less digits than its factorization.

1022311899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345319 (or 345316 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 1022311899 is about 31973.6125422199. The cubic root of 1022311899 is about 1007.3826618433.

It can be divided in two parts, 10223 and 11899, that added together give a palindrome (22122).

The spelling of 1022311899 in words is "one billion, twenty-two million, three hundred eleven thousand, eight hundred ninety-nine".