2042221240 has 32 divisors (see below), whose sum is σ = 4596335280. Its totient is φ = 816650752.

The previous prime is 2042221211. The next prime is 2042221243. The reversal of 2042221240 is 421222402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042221243) 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, 210987 + ... + 220453.

Almost surely, 2^2042221240 is an apocalyptic number.

2042221240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042221240 is an abundant number, since it is smaller than the sum of its proper divisors (2554114040).

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

2042221240 is a wasteful number, since it uses less digits than its factorization.

2042221240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14871 (or 14867 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2042221240 is about 45190.9420127530. The cubic root of 2042221240 is about 1268.7252880398.

Adding to 2042221240 its reverse (421222402), we get a palindrome (2463443642).

The spelling of 2042221240 in words is "two billion, forty-two million, two hundred twenty-one thousand, two hundred forty".