4022220145 has 8 divisors (see below), whose sum is σ = 5110585704. Its totient is φ = 3028495104.

The previous prime is 4022220133. The next prime is 4022220187. The reversal of 4022220145 is 5410222204.

It can be written as a sum of positive squares in 4 ways, for example, as 1609052769 + 2413167376 = 40113^2 + 49124^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4022220145 - 2¹³ = 4022211953 is a prime.

It is a Duffinian 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, 23660034 + ... + 23660203.

It is an arithmetic number, because the mean of its divisors is an integer number (638823213).

Almost surely, 2^4022220145 is an apocalyptic number.

It is an amenable number.

4022220145 is a deficient number, since it is larger than the sum of its proper divisors (1088365559).

4022220145 is a wasteful number, since it uses less digits than its factorization.

4022220145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47320259.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4022220145 is about 63420.9755916763. The cubic root of 4022220145 is about 1590.3349827544.

Adding to 4022220145 its reverse (5410222204), we get a palindrome (9432442349).

The spelling of 4022220145 in words is "four billion, twenty-two million, two hundred twenty thousand, one hundred forty-five".