2563622122 has 4 divisors (see below), whose sum is σ = 3845433186. Its totient is φ = 1281811060.

The previous prime is 2563622119. The next prime is 2563622141. The reversal of 2563622122 is 2212263652.

2563622122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 1337291761 + 1226330361 = 36569^2 + 35019^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640905529 + ... + 640905532.

Almost surely, 2^2563622122 is an apocalyptic number.

2563622122 is a deficient number, since it is larger than the sum of its proper divisors (1281811064).

2563622122 is a wasteful number, since it uses less digits than its factorization.

2563622122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281811063.

The product of its digits is 17280, while the sum is 31.

The square root of 2563622122 is about 50632.2241462885. The cubic root of 2563622122 is about 1368.6256346989.

Adding to 2563622122 its reverse (2212263652), we get a palindrome (4775885774).

The spelling of 2563622122 in words is "two billion, five hundred sixty-three million, six hundred twenty-two thousand, one hundred twenty-two".