1622056256 has 14 divisors (see below), whose sum is σ = 3218768010. Its totient is φ = 811028096.

The previous prime is 1622056237. The next prime is 1622056291. The reversal of 1622056256 is 6526502261.

It can be written as a sum of positive squares in only one way, i.e., 1360134400 + 261921856 = 36880^2 + 16184^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 12672251 + ... + 12672378.

Almost surely, 2^1622056256 is an apocalyptic number.

1622056256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1622056256 is a deficient number, since it is larger than the sum of its proper divisors (1596711754).

1622056256 is an equidigital number, since it uses as much as digits as its factorization.

1622056256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25344641 (or 25344631 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1622056256 is about 40274.7595399401. The cubic root of 1622056256 is about 1174.9569939896.

The spelling of 1622056256 in words is "one billion, six hundred twenty-two million, fifty-six thousand, two hundred fifty-six".