1646252022 has 16 divisors (see below), whose sum is σ = 3292922880. Its totient is φ = 548680872.

The previous prime is 1646252021. The next prime is 1646252051. The reversal of 1646252022 is 2202526461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1646252021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60283 + ... + 83225.

It is an arithmetic number, because the mean of its divisors is an integer number (205807680).

Almost surely, 2^1646252022 is an apocalyptic number.

1646252022 is an abundant number, since it is smaller than the sum of its proper divisors (1646670858).

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

1646252022 is a wasteful number, since it uses less digits than its factorization.

1646252022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34907.

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

The square root of 1646252022 is about 40574.0313747599. The cubic root of 1646252022 is about 1180.7703535261.

Adding to 1646252022 its reverse (2202526461), we get a palindrome (3848778483).

The spelling of 1646252022 in words is "one billion, six hundred forty-six million, two hundred fifty-two thousand, twenty-two".