2226212437 has 4 divisors (see below), whose sum is σ = 2227037536. Its totient is φ = 2225387340.

The previous prime is 2226212423. The next prime is 2226212473. The reversal of 2226212437 is 7342126222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7342126222 = 2 ⋅3671063111.

It is a cyclic number.

It is not a de Polignac number, because 2226212437 - 2⁷ = 2226212309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2226212399 and 2226212408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226212537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408489 + ... + 413902.

It is an arithmetic number, because the mean of its divisors is an integer number (556759384).

Almost surely, 2^2226212437 is an apocalyptic number.

It is an amenable number.

2226212437 is a deficient number, since it is larger than the sum of its proper divisors (825099).

2226212437 is an equidigital number, since it uses as much as digits as its factorization.

2226212437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825098.

The product of its digits is 16128, while the sum is 31.

The square root of 2226212437 is about 47182.7557164691. The cubic root of 2226212437 is about 1305.7364715027.

Adding to 2226212437 its reverse (7342126222), we get a palindrome (9568338659).

The spelling of 2226212437 in words is "two billion, two hundred twenty-six million, two hundred twelve thousand, four hundred thirty-seven".