1622227752 has 192 divisors, whose sum is σ = 4842864000. Its totient is φ = 488581632.

The previous prime is 1622227729. The next prime is 1622227787. The reversal of 1622227752 is 2577222261.

1622227752 is a `hidden beast` number, since 1 + 622 + 2 + 27 + 7 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (47040) is a multiple of the sum of its prime factors (560).

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 47 ways as a sum of consecutive naturals, for example, 4086018 + ... + 4086414.

It is an arithmetic number, because the mean of its divisors is an integer number (25223250).

Almost surely, 2^1622227752 is an apocalyptic number.

1622227752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1622227752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2421432000).

1622227752 is an abundant number, since it is smaller than the sum of its proper divisors (3220636248).

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

1622227752 is a wasteful number, since it uses less digits than its factorization.

1622227752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 553 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 1622227752 is about 40276.8885590732. Note that the first 3 decimals coincide. The cubic root of 1622227752 is about 1174.9984009636.

The spelling of 1622227752 in words is "one billion, six hundred twenty-two million, two hundred twenty-seven thousand, seven hundred fifty-two".