2202678451 has 4 divisors (see below), whose sum is σ = 2202794352. Its totient is φ = 2202562552.

The previous prime is 2202678449. The next prime is 2202678461. The reversal of 2202678451 is 1548762022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1548762022 = 2 ⋅774381011.

It is a cyclic number.

It is not a de Polignac number, because 2202678451 - 2¹ = 2202678449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2202678451.

It is not an unprimeable number, because it can be changed into a prime (2202678461) 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, 22015 + ... + 69928.

It is an arithmetic number, because the mean of its divisors is an integer number (550698588).

Almost surely, 2^2202678451 is an apocalyptic number.

2202678451 is a deficient number, since it is larger than the sum of its proper divisors (115901).

2202678451 is an equidigital number, since it uses as much as digits as its factorization.

2202678451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115900.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2202678451 is about 46932.7012966439. The cubic root of 2202678451 is about 1301.1190465019.

The spelling of 2202678451 in words is "two billion, two hundred two million, six hundred seventy-eight thousand, four hundred fifty-one".