222421124205 has 80 divisors (see below), whose sum is σ = 464266940544. Its totient is φ = 99759703680.

The previous prime is 222421124179. The next prime is 222421124243. The reversal of 222421124205 is 502421124222.

222421124205 is a `hidden beast` number, since 2 + 2 + 24 + 211 + 2 + 420 + 5 = 666.

It is not a de Polignac number, because 222421124205 - 2⁷ = 222421124077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 589891 + ... + 890400.

Almost surely, 2^222421124205 is an apocalyptic number.

It is an amenable number.

222421124205 is an abundant number, since it is smaller than the sum of its proper divisors (241845816339).

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

222421124205 is a wasteful number, since it uses less digits than its factorization.

222421124205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480368 (or 1480359 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 222421124205 its reverse (502421124222), we get a palindrome (724842248427).

The spelling of 222421124205 in words is "two hundred twenty-two billion, four hundred twenty-one million, one hundred twenty-four thousand, two hundred five".