2462220781 has 4 divisors (see below), whose sum is σ = 2472523200. Its totient is φ = 2451918364.

The previous prime is 2462220769. The next prime is 2462220793. The reversal of 2462220781 is 1870222642.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2462220769) and next prime (2462220793).

It is a cyclic number.

It is not a de Polignac number, because 2462220781 - 2¹⁷ = 2462089709 is a prime.

It is a super-2 number, since 2×2462220781² = 12125062348776499922, 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 (2462220701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5150851 + ... + 5151328.

It is an arithmetic number, because the mean of its divisors is an integer number (618130800).

Almost surely, 2^2462220781 is an apocalyptic number.

It is an amenable number.

2462220781 is a deficient number, since it is larger than the sum of its proper divisors (10302419).

2462220781 is a wasteful number, since it uses less digits than its factorization.

2462220781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10302418.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 2462220781 is about 49620.7696534425. The cubic root of 2462220781 is about 1350.3375070182.

The spelling of 2462220781 in words is "two billion, four hundred sixty-two million, two hundred twenty thousand, seven hundred eighty-one".