10454512221 has 24 divisors (see below), whose sum is σ = 15334488000. Its totient is φ = 6862161600.

The previous prime is 10454512217. The next prime is 10454512241. The reversal of 10454512221 is 12221545401.

It is a happy number.

10454512221 is a `hidden beast` number, since 104 + 545 + 12 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 10454512221 - 2² = 10454512217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10454512241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475530 + ... + 497028.

It is an arithmetic number, because the mean of its divisors is an integer number (638937000).

Almost surely, 2^10454512221 is an apocalyptic number.

It is an amenable number.

10454512221 is a deficient number, since it is larger than the sum of its proper divisors (4879975779).

10454512221 is a wasteful number, since it uses less digits than its factorization.

10454512221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22337 (or 22334 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 10454512221 in words is "ten billion, four hundred fifty-four million, five hundred twelve thousand, two hundred twenty-one".