4222354521 has 32 divisors (see below), whose sum is σ = 7030775808. Its totient is φ = 2189744640.

The previous prime is 4222354519. The next prime is 4222354531. The reversal of 4222354521 is 1254532224.

4222354521 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4222354521 - 2¹ = 4222354519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4222354511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125161 + ... + 155273.

It is an arithmetic number, because the mean of its divisors is an integer number (219711744).

Almost surely, 2^4222354521 is an apocalyptic number.

It is an amenable number.

4222354521 is a deficient number, since it is larger than the sum of its proper divisors (2808421287).

4222354521 is a wasteful number, since it uses less digits than its factorization.

4222354521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30741.

The product of its digits is 19200, while the sum is 30.

The square root of 4222354521 is about 64979.6469750337. The cubic root of 4222354521 is about 1616.2860764541.

Adding to 4222354521 its reverse (1254532224), we get a palindrome (5476886745).

The spelling of 4222354521 in words is "four billion, two hundred twenty-two million, three hundred fifty-four thousand, five hundred twenty-one".