2221957005 has 8 divisors (see below), whose sum is σ = 3555131232. Its totient is φ = 1185043728.

The previous prime is 2221956973. The next prime is 2221957027. The reversal of 2221957005 is 5007591222.

It is a happy number.

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

It is not a de Polignac number, because 2221957005 - 2⁵ = 2221956973 is a prime.

It is a Curzon number.

It is a congruent 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, 74065219 + ... + 74065248.

It is an arithmetic number, because the mean of its divisors is an integer number (444391404).

Almost surely, 2^2221957005 is an apocalyptic number.

It is an amenable number.

2221957005 is a deficient number, since it is larger than the sum of its proper divisors (1333174227).

2221957005 is a wasteful number, since it uses less digits than its factorization.

2221957005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148130475.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 2221957005 is about 47137.6389417204. The cubic root of 2221957005 is about 1304.9039638081.

The spelling of 2221957005 in words is "two billion, two hundred twenty-one million, nine hundred fifty-seven thousand, five".