2651220422 has 16 divisors (see below), whose sum is σ = 4099526640. Its totient is φ = 1284978528.

The previous prime is 2651220421. The next prime is 2651220449. The reversal of 2651220422 is 2240221562.

It is a junction number, because it is equal to n+sod(n) for n = 2651220391 and 2651220400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651220421) 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, 46688 + ... + 86499.

It is an arithmetic number, because the mean of its divisors is an integer number (256220415).

Almost surely, 2^2651220422 is an apocalyptic number.

2651220422 is a deficient number, since it is larger than the sum of its proper divisors (1448306218).

2651220422 is a wasteful number, since it uses less digits than its factorization.

2651220422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133495.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2651220422 is about 51490.0031268206. The cubic root of 2651220422 is about 1384.0399054478.

Adding to 2651220422 its reverse (2240221562), we get a palindrome (4891441984).

The spelling of 2651220422 in words is "two billion, six hundred fifty-one million, two hundred twenty thousand, four hundred twenty-two".