10405222120 has 32 divisors (see below), whose sum is σ = 23417934120. Its totient is φ = 4160989440.

The previous prime is 10405222109. The next prime is 10405222133. The reversal of 10405222120 is 2122250401.

It can be written as a sum of positive squares in 4 ways, for example, as 5536252836 + 4868969284 = 74406^2 + 69778^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128494 + ... + 193186.

Almost surely, 2^10405222120 is an apocalyptic number.

10405222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10405222120 is an abundant number, since it is smaller than the sum of its proper divisors (13012712000).

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

10405222120 is a wasteful number, since it uses less digits than its factorization.

10405222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68725 (or 68721 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 10405222120 its reverse (2122250401), we get a palindrome (12527472521).

The spelling of 10405222120 in words is "ten billion, four hundred five million, two hundred twenty-two thousand, one hundred twenty".