1622252226 has 16 divisors (see below), whose sum is σ = 3708005184. Its totient is φ = 463500624.

The previous prime is 1622252213. The next prime is 1622252263. The reversal of 1622252226 is 6222522261.

It is a junction number, because it is equal to n+sod(n) for n = 1622252193 and 1622252202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19312485 + ... + 19312568.

It is an arithmetic number, because the mean of its divisors is an integer number (231750324).

Almost surely, 2^1622252226 is an apocalyptic number.

1622252226 is an abundant number, since it is smaller than the sum of its proper divisors (2085752958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1622252226 is a wasteful number, since it uses less digits than its factorization.

1622252226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38625065.

The product of its digits is 11520, while the sum is 30.

The square root of 1622252226 is about 40277.1923798072. The cubic root of 1622252226 is about 1175.0043098680.

Adding to 1622252226 its reverse (6222522261), we get a palindrome (7844774487).

It can be divided in two parts, 162225 and 2226, that added together give a triangular number (164451 = T₅₇₃).

The spelling of 1622252226 in words is "one billion, six hundred twenty-two million, two hundred fifty-two thousand, two hundred twenty-six".