2472182021 has 8 divisors (see below), whose sum is σ = 2516953560. Its totient is φ = 2427812352.

The previous prime is 2472182003. The next prime is 2472182023. The reversal of 2472182021 is 1202812742.

It can be written as a sum of positive squares in 4 ways, for example, as 683822500 + 1788359521 = 26150^2 + 42289^2 .

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 2472182021 - 2¹⁴ = 2472165637 is a prime.

It is a super-2 number, since 2×2472182021² = 12223367889911288882, 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 (2472182023) 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, 88040 + ... + 112673.

It is an arithmetic number, because the mean of its divisors is an integer number (314619195).

Almost surely, 2^2472182021 is an apocalyptic number.

It is an amenable number.

2472182021 is a deficient number, since it is larger than the sum of its proper divisors (44771539).

2472182021 is a wasteful number, since it uses less digits than its factorization.

2472182021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200935.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2472182021 is about 49721.0420345350. The cubic root of 2472182021 is about 1352.1560465303.

Adding to 2472182021 its reverse (1202812742), we get a palindrome (3674994763).

The spelling of 2472182021 in words is "two billion, four hundred seventy-two million, one hundred eighty-two thousand, twenty-one".