43220022 has 16 divisors (see below), whose sum is σ = 90989760. Its totient is φ = 13648392.

The previous prime is 43220017. The next prime is 43220029. The reversal of 43220022 is 22002234.

It is a junction number, because it is equal to n+sod(n) for n = 43219983 and 43220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43220029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189448 + ... + 189675.

It is an arithmetic number, because the mean of its divisors is an integer number (5686860).

Almost surely, 2^43220022 is an apocalyptic number.

43220022 is an abundant number, since it is smaller than the sum of its proper divisors (47769738).

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

43220022 is a wasteful number, since it uses less digits than its factorization.

43220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379147.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 43220022 is about 6574.1936387667. The cubic root of 43220022 is about 350.9363282530.

Adding to 43220022 its reverse (22002234), we get a palindrome (65222256).

The spelling of 43220022 in words is "forty-three million, two hundred twenty thousand, twenty-two".