1631047422 has 32 divisors (see below), whose sum is σ = 3469519872. Its totient is φ = 509399424.

The previous prime is 1631047403. The next prime is 1631047471. The reversal of 1631047422 is 2247401361.

It is a self number, because there is not a number n which added to its sum of digits gives 1631047422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13108 + ... + 58599.

It is an arithmetic number, because the mean of its divisors is an integer number (108422496).

Almost surely, 2^1631047422 is an apocalyptic number.

1631047422 is an abundant number, since it is smaller than the sum of its proper divisors (1838472450).

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

1631047422 is a wasteful number, since it uses less digits than its factorization.

1631047422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71952.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1631047422 is about 40386.2281229629. The cubic root of 1631047422 is about 1177.1239500386.

Adding to 1631047422 its reverse (2247401361), we get a palindrome (3878448783).

The spelling of 1631047422 in words is "one billion, six hundred thirty-one million, forty-seven thousand, four hundred twenty-two".