651113372222 has 4 divisors (see below), whose sum is σ = 976670058336. Its totient is φ = 325556686110.

The previous prime is 651113372213. The next prime is 651113372227. The reversal of 651113372222 is 222273311156.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651113372227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162778343054 + ... + 162778343057.

It is an arithmetic number, because the mean of its divisors is an integer number (244167514584).

Almost surely, 2^651113372222 is an apocalyptic number.

651113372222 is a deficient number, since it is larger than the sum of its proper divisors (325556686114).

651113372222 is a wasteful number, since it uses less digits than its factorization.

651113372222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325556686113.

The product of its digits is 30240, while the sum is 35.

Adding to 651113372222 its reverse (222273311156), we get a palindrome (873386683378).

The spelling of 651113372222 in words is "six hundred fifty-one billion, one hundred thirteen million, three hundred seventy-two thousand, two hundred twenty-two".