1307222037 has 16 divisors (see below), whose sum is σ = 2112682560. Its totient is φ = 792255600.

The previous prime is 1307222027. The next prime is 1307222039. The reversal of 1307222037 is 7302227031.

It is a happy number.

It is not a de Polignac number, because 1307222037 - 2⁸ = 1307221781 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1307222037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307222039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2200414 + ... + 2201007.

It is an arithmetic number, because the mean of its divisors is an integer number (132042660).

Almost surely, 2^1307222037 is an apocalyptic number.

It is an amenable number.

1307222037 is a deficient number, since it is larger than the sum of its proper divisors (805460523).

1307222037 is a wasteful number, since it uses less digits than its factorization.

1307222037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401441 (or 4401435 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 1307222037 is about 36155.5256772737. The cubic root of 1307222037 is about 1093.4101980856.

Adding to 1307222037 its reverse (7302227031), we get a palindrome (8609449068).

The spelling of 1307222037 in words is "one billion, three hundred seven million, two hundred twenty-two thousand, thirty-seven".