2221490346 has 32 divisors (see below), whose sum is σ = 4484196288. Its totient is φ = 733649280.

The previous prime is 2221490333. The next prime is 2221490357. The reversal of 2221490346 is 6430941222.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 466996 + ... + 471728.

It is an arithmetic number, because the mean of its divisors is an integer number (140131134).

Almost surely, 2^2221490346 is an apocalyptic number.

2221490346 is an abundant number, since it is smaller than the sum of its proper divisors (2262705942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221490346 is a wasteful number, since it uses less digits than its factorization.

2221490346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2221490346 is about 47132.6887202502. The cubic root of 2221490346 is about 1304.8126047325.

The spelling of 2221490346 in words is "two billion, two hundred twenty-one million, four hundred ninety thousand, three hundred forty-six".