1504400222 has 16 divisors (see below), whose sum is σ = 2432626560. Its totient is φ = 693640992.

The previous prime is 1504400213. The next prime is 1504400237. The reversal of 1504400222 is 2220044051.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1504400194 and 1504400203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222 + ... + 54897.

It is an arithmetic number, because the mean of its divisors is an integer number (152039160).

Almost surely, 2^1504400222 is an apocalyptic number.

1504400222 is a deficient number, since it is larger than the sum of its proper divisors (928226338).

1504400222 is a wasteful number, since it uses less digits than its factorization.

1504400222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58147.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1504400222 is about 38786.5984845281. The cubic root of 1504400222 is about 1145.8324824407.

Adding to 1504400222 its reverse (2220044051), we get a palindrome (3724444273).

The spelling of 1504400222 in words is "one billion, five hundred four million, four hundred thousand, two hundred twenty-two".