1446226397 has 16 divisors (see below), whose sum is σ = 1909153152. Its totient is φ = 1060638720.

The previous prime is 1446226387. The next prime is 1446226409. The reversal of 1446226397 is 7936226441.

It is a cyclic number.

It is not a de Polignac number, because 1446226397 - 2¹⁰ = 1446225373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1446226387) 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, 551108 + ... + 553725.

It is an arithmetic number, because the mean of its divisors is an integer number (119322072).

Almost surely, 2^1446226397 is an apocalyptic number.

1446226397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1446226397 is a deficient number, since it is larger than the sum of its proper divisors (462926755).

1446226397 is a wasteful number, since it uses less digits than its factorization.

1446226397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104868.

The product of its digits is 435456, while the sum is 44.

The square root of 1446226397 is about 38029.2834142322. The cubic root of 1446226397 is about 1130.8684677693.

Adding to 1446226397 its sum of digits (44), we get a palindrome (1446226441).

The spelling of 1446226397 in words is "one billion, four hundred forty-six million, two hundred twenty-six thousand, three hundred ninety-seven".