215152229474 has 48 divisors (see below), whose sum is σ = 407205993600. Its totient is φ = 84502758816.

The previous prime is 215152229459. The next prime is 215152229533. The reversal of 215152229474 is 474922251512.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430394 + ... + 784565.

It is an arithmetic number, because the mean of its divisors is an integer number (8483458200).

Almost surely, 2^215152229474 is an apocalyptic number.

215152229474 is a deficient number, since it is larger than the sum of its proper divisors (192053764126).

215152229474 is a wasteful number, since it uses less digits than its factorization.

215152229474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215127 (or 1215120 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The spelling of 215152229474 in words is "two hundred fifteen billion, one hundred fifty-two million, two hundred twenty-nine thousand, four hundred seventy-four".