43222151 has 8 divisors (see below), whose sum is σ = 51100320. Its totient is φ = 35769888.

The previous prime is 43222141. The next prime is 43222163. The reversal of 43222151 is 15122234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43222151 - 2²² = 39027847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43222111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106256 + ... + 106661.

It is an arithmetic number, because the mean of its divisors is an integer number (6387540).

Almost surely, 2^43222151 is an apocalyptic number.

43222151 is a deficient number, since it is larger than the sum of its proper divisors (7878169).

43222151 is a wasteful number, since it uses less digits than its factorization.

43222151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212953.

The product of its digits is 480, while the sum is 20.

The square root of 43222151 is about 6574.3555577714. The cubic root of 43222151 is about 350.9420904834.

Adding to 43222151 its reverse (15122234), we get a palindrome (58344385).

The spelling of 43222151 in words is "forty-three million, two hundred twenty-two thousand, one hundred fifty-one".