222410042421 has 32 divisors (see below), whose sum is σ = 347354047488. Its totient is φ = 123928306560.

The previous prime is 222410042419. The next prime is 222410042443. The reversal of 222410042421 is 124240014222.

It is a happy number.

It is not a de Polignac number, because 222410042421 - 2¹ = 222410042419 is a prime.

It is a super-2 number, since 2×222410042421² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222410042391 and 222410042400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222410042401) 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, 1645806 + ... + 1775808.

It is an arithmetic number, because the mean of its divisors is an integer number (10854813984).

Almost surely, 2^222410042421 is an apocalyptic number.

222410042421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222410042421 is a deficient number, since it is larger than the sum of its proper divisors (124944005067).

222410042421 is a wasteful number, since it uses less digits than its factorization.

222410042421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132041.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222410042421 its reverse (124240014222), we get a palindrome (346650056643).

The spelling of 222410042421 in words is "two hundred twenty-two billion, four hundred ten million, forty-two thousand, four hundred twenty-one".