2471492221 has 8 divisors (see below), whose sum is σ = 2696565600. Its totient is φ = 2246484240.

The previous prime is 2471492171. The next prime is 2471492251. The reversal of 2471492221 is 1222941742.

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

It is not a de Polignac number, because 2471492221 - 2¹⁵ = 2471459453 is a prime.

It is a super-2 number, since 2×2471492221² = 12216547596927025682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471492251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96690 + ... + 119548.

It is an arithmetic number, because the mean of its divisors is an integer number (337070700).

Almost surely, 2^2471492221 is an apocalyptic number.

It is an amenable number.

2471492221 is a deficient number, since it is larger than the sum of its proper divisors (225073379).

2471492221 is a wasteful number, since it uses less digits than its factorization.

2471492221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32699.

The product of its digits is 16128, while the sum is 34.

The square root of 2471492221 is about 49714.1048496299. The cubic root of 2471492221 is about 1352.0302731585.

The spelling of 2471492221 in words is "two billion, four hundred seventy-one million, four hundred ninety-two thousand, two hundred twenty-one".