14553223220 has 24 divisors (see below), whose sum is σ = 30649353000. Its totient is φ = 5804606592.

The previous prime is 14553223189. The next prime is 14553223231. The reversal of 14553223220 is 2232235541.

It can be written as a sum of positive squares in 4 ways, for example, as 7259721616 + 7293501604 = 85204^2 + 85402^2 .

It is a super-2 number, since 2×14553223220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1035515 + ... + 1049474.

It is an arithmetic number, because the mean of its divisors is an integer number (1277056375).

Almost surely, 2^14553223220 is an apocalyptic number.

14553223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14553223220 is an abundant number, since it is smaller than the sum of its proper divisors (16096129780).

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

14553223220 is a wasteful number, since it uses less digits than its factorization.

14553223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085347 (or 2085345 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 14553223220 its reverse (2232235541), we get a palindrome (16785458761).

The spelling of 14553223220 in words is "fourteen billion, five hundred fifty-three million, two hundred twenty-three thousand, two hundred twenty".