1396226641 has 4 divisors (see below), whose sum is σ = 1428697072. Its totient is φ = 1363756212.

The previous prime is 1396226599. The next prime is 1396226683. The reversal of 1396226641 is 1466226931.

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.

It is an interprime number because it is at equal distance from previous prime (1396226599) and next prime (1396226683).

It is a cyclic number.

It is not a de Polignac number, because 1396226641 - 2⁹ = 1396226129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1396226594 and 1396226603.

It is not an unprimeable number, because it can be changed into a prime (1396226441) 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, 16235151 + ... + 16235236.

It is an arithmetic number, because the mean of its divisors is an integer number (357174268).

Almost surely, 2^1396226641 is an apocalyptic number.

It is an amenable number.

1396226641 is a deficient number, since it is larger than the sum of its proper divisors (32470431).

1396226641 is an equidigital number, since it uses as much as digits as its factorization.

1396226641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32470430.

The product of its digits is 93312, while the sum is 40.

The square root of 1396226641 is about 37366.1162150952. The cubic root of 1396226641 is about 1117.6829865824.

The spelling of 1396226641 in words is "one billion, three hundred ninety-six million, two hundred twenty-six thousand, six hundred forty-one".