222151620005 has 16 divisors (see below), whose sum is σ = 309828896640. Its totient is φ = 149750630592.

The previous prime is 222151619971. The next prime is 222151620029. The reversal of 222151620005 is 500026151222.

It is a cyclic number.

It is not a de Polignac number, because 222151620005 - 2¹⁴ = 222151603621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53787674 + ... + 53791803.

It is an arithmetic number, because the mean of its divisors is an integer number (19364306040).

Almost surely, 2^222151620005 is an apocalyptic number.

It is an amenable number.

222151620005 is a deficient number, since it is larger than the sum of its proper divisors (87677276635).

222151620005 is a wasteful number, since it uses less digits than its factorization.

222151620005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107579548.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 222151620005 its reverse (500026151222), we get a palindrome (722177771227).

The spelling of 222151620005 in words is "two hundred twenty-two billion, one hundred fifty-one million, six hundred twenty thousand, five".