43522225015 has 16 divisors (see below), whose sum is σ = 52551828000. Its totient is φ = 34601187712.

The previous prime is 43522225001. The next prime is 43522225081. The reversal of 43522225015 is 51052222534.

It is a cyclic number.

It is not a de Polignac number, because 43522225015 - 2¹⁵ = 43522192247 is a prime.

It is a congruent number.

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, 2195016 + ... + 2214754.

It is an arithmetic number, because the mean of its divisors is an integer number (3284489250).

Almost surely, 2^43522225015 is an apocalyptic number.

43522225015 is a deficient number, since it is larger than the sum of its proper divisors (9029602985).

43522225015 is a wasteful number, since it uses less digits than its factorization.

43522225015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22466.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 43522225015 its reverse (51052222534), we get a palindrome (94574447549).

The spelling of 43522225015 in words is "forty-three billion, five hundred twenty-two million, two hundred twenty-five thousand, fifteen".