601225218155 has 8 divisors (see below), whose sum is σ = 721479175872. Its totient is φ = 480974231808.

The previous prime is 601225218073. The next prime is 601225218163. The reversal of 601225218155 is 551812522106.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601225218155 is a prime.

It is a super-2 number, since 2×601225218155² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270374 + ... + 1129403.

It is an arithmetic number, because the mean of its divisors is an integer number (90184896984).

Almost surely, 2^601225218155 is an apocalyptic number.

601225218155 is a deficient number, since it is larger than the sum of its proper divisors (120253957717).

601225218155 is a wasteful number, since it uses less digits than its factorization.

601225218155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485685.

The product of its (nonzero) digits is 48000, while the sum is 38.

The spelling of 601225218155 in words is "six hundred one billion, two hundred twenty-five million, two hundred eighteen thousand, one hundred fifty-five".