1354544221 has 8 divisors (see below), whose sum is σ = 1425948480. Its totient is φ = 1284182592.

The previous prime is 1354544201. The next prime is 1354544237. The reversal of 1354544221 is 1224454531.

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 1354544221 - 2⁵ = 1354544189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354544201) 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, 257991 + ... + 263188.

It is an arithmetic number, because the mean of its divisors is an integer number (178243560).

Almost surely, 2^1354544221 is an apocalyptic number.

It is an amenable number.

1354544221 is a deficient number, since it is larger than the sum of its proper divisors (71404259).

1354544221 is a wasteful number, since it uses less digits than its factorization.

1354544221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521315.

The product of its digits is 19200, while the sum is 31.

The square root of 1354544221 is about 36804.1332053888. The cubic root of 1354544221 is about 1106.4481388060.

Adding to 1354544221 its reverse (1224454531), we get a palindrome (2578998752).

The spelling of 1354544221 in words is "one billion, three hundred fifty-four million, five hundred forty-four thousand, two hundred twenty-one".