2620221046 has 4 divisors (see below), whose sum is σ = 3930331572. Its totient is φ = 1310110522.

The previous prime is 2620221031. The next prime is 2620221053. The reversal of 2620221046 is 6401220262.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2620221046.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 655055260 + ... + 655055263.

It is an arithmetic number, because the mean of its divisors is an integer number (982582893).

Almost surely, 2^2620221046 is an apocalyptic number.

2620221046 is a deficient number, since it is larger than the sum of its proper divisors (1310110526).

2620221046 is a wasteful number, since it uses less digits than its factorization.

2620221046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310110525.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2620221046 is about 51188.0947682173. The cubic root of 2620221046 is about 1378.6244513000.

The spelling of 2620221046 in words is "two billion, six hundred twenty million, two hundred twenty-one thousand, forty-six".