2621266222 has 8 divisors (see below), whose sum is σ = 3932147736. Its totient is φ = 1310550312.

The previous prime is 2621266213. The next prime is 2621266223. The reversal of 2621266222 is 2226621262.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621266223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11893 + ... + 73375.

It is an arithmetic number, because the mean of its divisors is an integer number (491518467).

Almost surely, 2^2621266222 is an apocalyptic number.

2621266222 is a deficient number, since it is larger than the sum of its proper divisors (1310881514).

2621266222 is a wasteful number, since it uses less digits than its factorization.

2621266222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82802.

The product of its digits is 13824, while the sum is 31.

The square root of 2621266222 is about 51198.3029210930. The cubic root of 2621266222 is about 1378.8077327382.

Adding to 2621266222 its reverse (2226621262), we get a palindrome (4847887484).

The spelling of 2621266222 in words is "two billion, six hundred twenty-one million, two hundred sixty-six thousand, two hundred twenty-two".