2220626949 has 8 divisors (see below), whose sum is σ = 2964750240. Its totient is φ = 1478460816.

The previous prime is 2220626899. The next prime is 2220626951. The reversal of 2220626949 is 9496260222.

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

It is not a de Polignac number, because 2220626949 - 2⁸ = 2220626693 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220626949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220626959) 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, 486639 + ... + 491180.

It is an arithmetic number, because the mean of its divisors is an integer number (370593780).

Almost surely, 2^2220626949 is an apocalyptic number.

It is an amenable number.

2220626949 is a deficient number, since it is larger than the sum of its proper divisors (744123291).

2220626949 is an equidigital number, since it uses as much as digits as its factorization.

2220626949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978579.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 2220626949 is about 47123.5286136342. The cubic root of 2220626949 is about 1304.6435414620.

The spelling of 2220626949 in words is "two billion, two hundred twenty million, six hundred twenty-six thousand, nine hundred forty-nine".