10221355340 has 48 divisors (see below), whose sum is σ = 25322594304. Its totient is φ = 3391416000.

The previous prime is 10221355307. The next prime is 10221355373. The reversal of 10221355340 is 4355312201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10221355307) and next prime (10221355373).

It is a super-2 number, since 2×10221355340² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173236 + ... + 1181915.

It is an arithmetic number, because the mean of its divisors is an integer number (527554048).

Almost surely, 2^10221355340 is an apocalyptic number.

10221355340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221355340 is an abundant number, since it is smaller than the sum of its proper divisors (15101238964).

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

10221355340 is a wasteful number, since it uses less digits than its factorization.

10221355340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355198 (or 2355196 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 10221355340 its reverse (4355312201), we get a palindrome (14576667541).

The spelling of 10221355340 in words is "ten billion, two hundred twenty-one million, three hundred fifty-five thousand, three hundred forty".