2002212205450 has 24 divisors (see below), whose sum is σ = 3737959019820. Its totient is φ = 797907609600.

The previous prime is 2002212205403. The next prime is 2002212205457. The reversal of 2002212205450 is 545022122002.

It can be written as a sum of positive squares in 6 ways, for example, as 8911548801 + 1993300656649 = 94401^2 + 1411843^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2002212205457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74418231 + ... + 74445130.

Almost surely, 2^{2002212205450} is an apocalyptic number.

2002212205450 is a deficient number, since it is larger than the sum of its proper divisors (1735746814370).

2002212205450 is a wasteful number, since it uses less digits than its factorization.

2002212205450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148863642 (or 148863637 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 2002212205450 its reverse (545022122002), we get a palindrome (2547234327452).

The spelling of 2002212205450 in words is "two trillion, two billion, two hundred twelve million, two hundred five thousand, four hundred fifty".