43221342 has 16 divisors (see below), whose sum is σ = 86525712. Its totient is φ = 14393280.

The previous prime is 43221331. The next prime is 43221377. The reversal of 43221342 is 24312234.

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, 4842 + ... + 10482.

It is an arithmetic number, because the mean of its divisors is an integer number (5407857).

Almost surely, 2^43221342 is an apocalyptic number.

43221342 is an abundant number, since it is smaller than the sum of its proper divisors (43304370).

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

43221342 is a wasteful number, since it uses less digits than its factorization.

43221342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6923.

The product of its digits is 1152, while the sum is 21.

The square root of 43221342 is about 6574.2940305405. The cubic root of 43221342 is about 350.9399009123.

Adding to 43221342 its reverse (24312234), we get a palindrome (67533576).

The spelling of 43221342 in words is "forty-three million, two hundred twenty-one thousand, three hundred forty-two".