315000444422 has 4 divisors (see below), whose sum is σ = 472500666636. Its totient is φ = 157500222210.

The previous prime is 315000444389. The next prime is 315000444461. The reversal of 315000444422 is 224444000513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224444000513 = 106747 ⋅2102579.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78750111104 + ... + 78750111107.

It is an arithmetic number, because the mean of its divisors is an integer number (118125166659).

Almost surely, 2^315000444422 is an apocalyptic number.

315000444422 is a deficient number, since it is larger than the sum of its proper divisors (157500222214).

315000444422 is a wasteful number, since it uses less digits than its factorization.

315000444422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157500222213.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 315000444422 its reverse (224444000513), we get a palindrome (539444444935).

The spelling of 315000444422 in words is "three hundred fifteen billion, four hundred forty-four thousand, four hundred twenty-two".