1422607237 has 4 divisors (see below), whose sum is σ = 1423233196. Its totient is φ = 1421981280.

The previous prime is 1422607231. The next prime is 1422607259. The reversal of 1422607237 is 7327062241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7327062241 = 151 ⋅48523591.

It can be written as a sum of positive squares in 2 ways, for example, as 1222271521 + 200335716 = 34961^2 + 14154^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422607237 - 2¹¹ = 1422605189 is a prime.

It is a super-2 number, since 2×1422607237² = 4047622701529548338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422607231) 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, 309558 + ... + 314119.

It is an arithmetic number, because the mean of its divisors is an integer number (355808299).

Almost surely, 2^1422607237 is an apocalyptic number.

It is an amenable number.

1422607237 is a deficient number, since it is larger than the sum of its proper divisors (625959).

1422607237 is an equidigital number, since it uses as much as digits as its factorization.

1422607237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625958.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 1422607237 is about 37717.4659408609. The cubic root of 1422607237 is about 1124.6783573007.

Adding to 1422607237 its reverse (7327062241), we get a palindrome (8749669478).

The spelling of 1422607237 in words is "one billion, four hundred twenty-two million, six hundred seven thousand, two hundred thirty-seven".