43221304054 has 4 divisors (see below), whose sum is σ = 64831956084. Its totient is φ = 21610652026.

The previous prime is 43221304037. The next prime is 43221304069. The reversal of 43221304054 is 45040312234.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45040312234 = 2 ⋅22520156117.

It is a super-2 number, since 2×43221304054² (a number of 22 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 as a sum of consecutive naturals, namely, 10805326012 + ... + 10805326015.

It is an arithmetic number, because the mean of its divisors is an integer number (16207989021).

Almost surely, 2^43221304054 is an apocalyptic number.

43221304054 is a deficient number, since it is larger than the sum of its proper divisors (21610652030).

43221304054 is a wasteful number, since it uses less digits than its factorization.

43221304054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21610652029.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 43221304054 its reverse (45040312234), we get a palindrome (88261616288).

The spelling of 43221304054 in words is "forty-three billion, two hundred twenty-one million, three hundred four thousand, fifty-four".