2437142221 has 8 divisors (see below), whose sum is σ = 2540671488. Its totient is φ = 2335170000.

The previous prime is 2437142129. The next prime is 2437142263. The reversal of 2437142221 is 1222417342.

2437142221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2437142221 - 2¹⁹ = 2436617933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2437142221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2437142291) 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, 386065 + ... + 392326.

It is an arithmetic number, because the mean of its divisors is an integer number (317583936).

Almost surely, 2^2437142221 is an apocalyptic number.

It is an amenable number.

2437142221 is a deficient number, since it is larger than the sum of its proper divisors (103529267).

2437142221 is a wasteful number, since it uses less digits than its factorization.

2437142221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778523.

The product of its digits is 5376, while the sum is 28.

The square root of 2437142221 is about 49367.4206435783. The cubic root of 2437142221 is about 1345.7373036315.

Adding to 2437142221 its reverse (1222417342), we get a palindrome (3659559563).

The spelling of 2437142221 in words is "two billion, four hundred thirty-seven million, one hundred forty-two thousand, two hundred twenty-one".