3401155221 has 8 divisors (see below), whose sum is σ = 4537251840. Its totient is φ = 2266247712.

The previous prime is 3401155217. The next prime is 3401155267. The reversal of 3401155221 is 1225511043.

It is a happy number.

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

It is not a de Polignac number, because 3401155221 - 2² = 3401155217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3401155191 and 3401155200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401155271) 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, 290581 + ... + 302058.

It is an arithmetic number, because the mean of its divisors is an integer number (567156480).

Almost surely, 2^3401155221 is an apocalyptic number.

It is an amenable number.

3401155221 is a deficient number, since it is larger than the sum of its proper divisors (1136096619).

3401155221 is a wasteful number, since it uses less digits than its factorization.

3401155221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594555.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 3401155221 is about 58319.4240455099. The cubic root of 3401155221 is about 1503.8648808004.

Adding to 3401155221 its reverse (1225511043), we get a palindrome (4626666264).

The spelling of 3401155221 in words is "three billion, four hundred one million, one hundred fifty-five thousand, two hundred twenty-one".