1022431150664 has 128 divisors (see below), whose sum is σ = 2412156257280. Its totient is φ = 394683244800.

The previous prime is 1022431150639. The next prime is 1022431150669. The reversal of 1022431150664 is 4660511342201.

It is a super-2 number, since 2×1022431150664² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022431150669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52684787 + ... + 52704189.

It is an arithmetic number, because the mean of its divisors is an integer number (18844970760).

Almost surely, 2^{1022431150664} is an apocalyptic number.

1022431150664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022431150664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206078128640).

1022431150664 is an abundant number, since it is smaller than the sum of its proper divisors (1389725106616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022431150664 is a wasteful number, since it uses less digits than its factorization.

1022431150664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211 (or 20207 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 1022431150664 its reverse (4660511342201), we get a palindrome (5682942492865).

The spelling of 1022431150664 in words is "one trillion, twenty-two billion, four hundred thirty-one million, one hundred fifty thousand, six hundred sixty-four".