221400341034 has 16 divisors (see below), whose sum is σ = 449409648288. Its totient is φ = 72698619312.

The previous prime is 221400341033. The next prime is 221400341039. The reversal of 221400341034 is 430143004122.

221400341034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221400341034² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221400340995 and 221400341013.

It is not an unprimeable number, because it can be changed into a prime (221400341033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275373157 + ... + 275373960.

It is an arithmetic number, because the mean of its divisors is an integer number (28088103018).

Almost surely, 2^221400341034 is an apocalyptic number.

221400341034 is an abundant number, since it is smaller than the sum of its proper divisors (228009307254).

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

221400341034 is a wasteful number, since it uses less digits than its factorization.

221400341034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550747189.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 221400341034 its reverse (430143004122), we get a palindrome (651543345156).

The spelling of 221400341034 in words is "two hundred twenty-one billion, four hundred million, three hundred forty-one thousand, thirty-four".