2225155145 has 8 divisors (see below), whose sum is σ = 2673419904. Its totient is φ = 1777968304.

The previous prime is 2225155117. The next prime is 2225155147. The reversal of 2225155145 is 5415515222.

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 not a de Polignac number, because 2225155145 - 2⁶ = 2225155081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225155147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264929 + ... + 273198.

It is an arithmetic number, because the mean of its divisors is an integer number (334177488).

Almost surely, 2^2225155145 is an apocalyptic number.

It is an amenable number.

2225155145 is a deficient number, since it is larger than the sum of its proper divisors (448264759).

2225155145 is an equidigital number, since it uses as much as digits as its factorization.

2225155145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538959.

The product of its digits is 20000, while the sum is 32.

The square root of 2225155145 is about 47171.5501653274. The cubic root of 2225155145 is about 1305.5297282297.

The spelling of 2225155145 in words is "two billion, two hundred twenty-five million, one hundred fifty-five thousand, one hundred forty-five".