2228154445 has 16 divisors (see below), whose sum is σ = 2918135808. Its totient is φ = 1619765440.

The previous prime is 2228154443. The next prime is 2228154449. The reversal of 2228154445 is 5444518222.

It is not a de Polignac number, because 2228154445 - 2¹ = 2228154443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228154443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140247 + ... + 155323.

It is an arithmetic number, because the mean of its divisors is an integer number (182383488).

Almost surely, 2^2228154445 is an apocalyptic number.

It is an amenable number.

2228154445 is a deficient number, since it is larger than the sum of its proper divisors (689981363).

2228154445 is a wasteful number, since it uses less digits than its factorization.

2228154445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17780.

The product of its digits is 102400, while the sum is 37.

The square root of 2228154445 is about 47203.3308676411. The cubic root of 2228154445 is about 1306.1160420003.

The spelling of 2228154445 in words is "two billion, two hundred twenty-eight million, one hundred fifty-four thousand, four hundred forty-five".