2478972322 has 4 divisors (see below), whose sum is σ = 3718458486. Its totient is φ = 1239486160.

The previous prime is 2478972311. The next prime is 2478972347. The reversal of 2478972322 is 2232798742.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2055806281 + 423166041 = 45341^2 + 20571^2 .

It is a super-2 number, since 2×2478972322² = 12290607546484143368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619743079 + ... + 619743082.

Almost surely, 2^2478972322 is an apocalyptic number.

2478972322 is a deficient number, since it is larger than the sum of its proper divisors (1239486164).

2478972322 is a wasteful number, since it uses less digits than its factorization.

2478972322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239486163.

The product of its digits is 677376, while the sum is 46.

The square root of 2478972322 is about 49789.2791873913. The cubic root of 2478972322 is about 1353.3928962733.

The spelling of 2478972322 in words is "two billion, four hundred seventy-eight million, nine hundred seventy-two thousand, three hundred twenty-two".