222401024305406 has 8 divisors (see below), whose sum is σ = 335071146751560. Its totient is φ = 110710642054888.

The previous prime is 222401024305399. The next prime is 222401024305409. The reversal of 222401024305406 is 604503420104222.

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

It is a super-2 number, since 2×222401024305406² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222401024305409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244935048341 + ... + 244935049248.

It is an arithmetic number, because the mean of its divisors is an integer number (41883893343945).

Almost surely, 2^{222401024305406} is an apocalyptic number.

222401024305406 is a deficient number, since it is larger than the sum of its proper divisors (112670122446154).

222401024305406 is a wasteful number, since it uses less digits than its factorization.

222401024305406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489870097818.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 222401024305406 its reverse (604503420104222), we get a palindrome (826904444409628).

The spelling of 222401024305406 in words is "two hundred twenty-two trillion, four hundred one billion, twenty-four million, three hundred five thousand, four hundred six".