15202245422 has 32 divisors (see below), whose sum is σ = 28251600384. Its totient is φ = 5974236000.

The previous prime is 15202245397. The next prime is 15202245431. The reversal of 15202245422 is 22454220251.

It is a happy number.

It is a super-2 number, since 2×15202245422² (a number of 21 digits) contains 22 as substring.

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, 249104 + ... + 304067.

It is an arithmetic number, because the mean of its divisors is an integer number (882862512).

Almost surely, 2^15202245422 is an apocalyptic number.

15202245422 is a deficient number, since it is larger than the sum of its proper divisors (13049354962).

15202245422 is a wasteful number, since it uses less digits than its factorization.

15202245422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553344.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 15202245422 its reverse (22454220251), we get a palindrome (37656465673).

The spelling of 15202245422 in words is "fifteen billion, two hundred two million, two hundred forty-five thousand, four hundred twenty-two".