1634220033 has 16 divisors (see below), whose sum is σ = 2285472000. Its totient is φ = 1037477376.

The previous prime is 1634219971. The next prime is 1634220037. The reversal of 1634220033 is 3300224361.

It is not a de Polignac number, because 1634220033 - 2¹⁰ = 1634219009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1634219985 and 1634220012.

It is not an unprimeable number, because it can be changed into a prime (1634220037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151408 + ... + 161841.

It is an arithmetic number, because the mean of its divisors is an integer number (142842000).

Almost surely, 2^1634220033 is an apocalyptic number.

It is an amenable number.

1634220033 is a deficient number, since it is larger than the sum of its proper divisors (651251967).

1634220033 is a wasteful number, since it uses less digits than its factorization.

1634220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313336.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1634220033 is about 40425.4874182118. The cubic root of 1634220033 is about 1177.8866782395.

Adding to 1634220033 its reverse (3300224361), we get a palindrome (4934444394).

The spelling of 1634220033 in words is "one billion, six hundred thirty-four million, two hundred twenty thousand, thirty-three".