1401355224 has 48 divisors (see below), whose sum is σ = 3960356400. Its totient is φ = 446808384.

The previous prime is 1401355223. The next prime is 1401355289. The reversal of 1401355224 is 4225531041.

1401355224 is a `hidden beast` number, since 1 + 4 + 0 + 135 + 522 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401355223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421459 + ... + 424770.

It is an arithmetic number, because the mean of its divisors is an integer number (82507425).

Almost surely, 2^1401355224 is an apocalyptic number.

It is an amenable number.

1401355224 is an abundant number, since it is smaller than the sum of its proper divisors (2559001176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401355224 is a wasteful number, since it uses less digits than its factorization.

1401355224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846264 (or 846257 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1401355224 is about 37434.6794296412. The cubic root of 1401355224 is about 1119.0497956934.

Adding to 1401355224 its reverse (4225531041), we get a palindrome (5626886265).

The spelling of 1401355224 in words is "one billion, four hundred one million, three hundred fifty-five thousand, two hundred twenty-four".