1301444221 has 8 divisors (see below), whose sum is σ = 1622579904. Its totient is φ = 1014112320.

The previous prime is 1301444189. The next prime is 1301444251. The reversal of 1301444221 is 1224441031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1301444221 - 2⁵ = 1301444189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301444192 and 1301444201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301444251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8450860 + ... + 8451013.

It is an arithmetic number, because the mean of its divisors is an integer number (202822488).

Almost surely, 2^1301444221 is an apocalyptic number.

1301444221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1301444221 is a deficient number, since it is larger than the sum of its proper divisors (321135683).

1301444221 is a wasteful number, since it uses less digits than its factorization.

1301444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16901891.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1301444221 is about 36075.5349371288. The cubic root of 1301444221 is about 1091.7968905454.

Adding to 1301444221 its reverse (1224441031), we get a palindrome (2525885252).

The spelling of 1301444221 in words is "one billion, three hundred one million, four hundred forty-four thousand, two hundred twenty-one".