2506406222 has 8 divisors (see below), whose sum is σ = 3759848400. Its totient is φ = 1253123424.

The previous prime is 2506406207. The next prime is 2506406249. The reversal of 2506406222 is 2226046052.

It is a happy number.

2506406222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14054 + ... + 72182.

It is an arithmetic number, because the mean of its divisors is an integer number (469981050).

Almost surely, 2^2506406222 is an apocalyptic number.

2506406222 is a deficient number, since it is larger than the sum of its proper divisors (1253442178).

2506406222 is a wasteful number, since it uses less digits than its factorization.

2506406222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79690.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2506406222 is about 50064.0212328175. The cubic root of 2506406222 is about 1358.3670969497.

The spelling of 2506406222 in words is "two billion, five hundred six million, four hundred six thousand, two hundred twenty-two".