2025161622 has 64 divisors (see below), whose sum is σ = 4915008000. Its totient is φ = 612995040.

The previous prime is 2025161609. The next prime is 2025161627. The reversal of 2025161622 is 2261615202.

2025161622 is a `hidden beast` number, since 2 + 0 + 25 + 1 + 616 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025161627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 829788 + ... + 832224.

It is an arithmetic number, because the mean of its divisors is an integer number (76797000).

Almost surely, 2^2025161622 is an apocalyptic number.

2025161622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2025161622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2457504000).

2025161622 is an abundant number, since it is smaller than the sum of its proper divisors (2889846378).

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

2025161622 is a wasteful number, since it uses less digits than its factorization.

2025161622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858 (or 3852 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2025161622 is about 45001.7957641692. The cubic root of 2025161622 is about 1265.1826556434.

Adding to 2025161622 its reverse (2261615202), we get a palindrome (4286776824).

The spelling of 2025161622 in words is "two billion, twenty-five million, one hundred sixty-one thousand, six hundred twenty-two".