434120242221 has 6 divisors (see below), whose sum is σ = 627062572110. Its totient is φ = 289413494808.

The previous prime is 434120242201. The next prime is 434120242271. The reversal of 434120242221 is 122242021434.

It is a happy number.

434120242221 is a `hidden beast` number, since 4 + 3 + 412 + 0 + 24 + 2 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 405832702500 + 28287539721 = 637050^2 + 168189^2 .

It is not a de Polignac number, because 434120242221 - 2⁵ = 434120242189 is a prime.

It is a super-2 number, since 2×434120242221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434120242201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24117791226 + ... + 24117791243.

It is an arithmetic number, because the mean of its divisors is an integer number (104510428685).

Almost surely, 2^434120242221 is an apocalyptic number.

It is an amenable number.

434120242221 is a deficient number, since it is larger than the sum of its proper divisors (192942329889).

434120242221 is a wasteful number, since it uses less digits than its factorization.

434120242221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48235582475 (or 48235582472 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 434120242221 its reverse (122242021434), we get a palindrome (556362263655).

The spelling of 434120242221 in words is "four hundred thirty-four billion, one hundred twenty million, two hundred forty-two thousand, two hundred twenty-one".