10000001322 has 24 divisors (see below), whose sum is σ = 22252256676. Its totient is φ = 3243243456.

The previous prime is 10000001251. The next prime is 10000001371. The reversal of 10000001322 is 22310000001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9188947881 + 811053441 = 95859^2 + 28479^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7506843 + ... + 7508174.

Almost surely, 2^10000001322 is an apocalyptic number.

10000001322 is an abundant number, since it is smaller than the sum of its proper divisors (12252255354).

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

10000001322 is a wasteful number, since it uses less digits than its factorization.

10000001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15015062 (or 15015059 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10000001322 its reverse (22310000001), we get a palindrome (32310001323).

The spelling of 10000001322 in words is "ten billion, one thousand, three hundred twenty-two".