1630442206 has 16 divisors (see below), whose sum is σ = 2493230544. Its totient is φ = 799509184.

The previous prime is 1630442201. The next prime is 1630442207. The reversal of 1630442206 is 6022440361.

It is a super-2 number, since 2×1630442206² = 5316683574212292872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630442201) 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, 13105 + ... + 58588.

It is an arithmetic number, because the mean of its divisors is an integer number (155826909).

Almost surely, 2^1630442206 is an apocalyptic number.

1630442206 is a deficient number, since it is larger than the sum of its proper divisors (862788338).

1630442206 is a wasteful number, since it uses less digits than its factorization.

1630442206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71915.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1630442206 is about 40378.7345765070. The cubic root of 1630442206 is about 1176.9783375990.

Adding to 1630442206 its reverse (6022440361), we get a palindrome (7652882567).

The spelling of 1630442206 in words is "one billion, six hundred thirty million, four hundred forty-two thousand, two hundred six".