1401225219 has 24 divisors (see below), whose sum is σ = 2142494640. Its totient is φ = 880955712.

The previous prime is 1401225209. The next prime is 1401225227. The reversal of 1401225219 is 9125221041.

1401225219 is a `hidden beast` number, since 1 + 401 + 2 + 252 + 1 + 9 = 666.

It is not a de Polignac number, because 1401225219 - 2¹² = 1401221123 is a prime.

It is a super-2 number, since 2×1401225219² = 3926864228723195922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1401225192 and 1401225201.

It is not an unprimeable number, because it can be changed into a prime (1401225209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51204 + ... + 73649.

It is an arithmetic number, because the mean of its divisors is an integer number (89270610).

Almost surely, 2^1401225219 is an apocalyptic number.

1401225219 is a deficient number, since it is larger than the sum of its proper divisors (741269421).

1401225219 is a wasteful number, since it uses less digits than its factorization.

1401225219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124931 (or 124928 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1401225219 is about 37432.9429647203. The cubic root of 1401225219 is about 1119.0151895338.

The spelling of 1401225219 in words is "one billion, four hundred one million, two hundred twenty-five thousand, two hundred nineteen".