1992552215 has 8 divisors (see below), whose sum is σ = 2495022048. Its totient is φ = 1524735520.

The previous prime is 1992552197. The next prime is 1992552217. The reversal of 1992552215 is 5122552991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1992552215 - 2¹² = 1992548119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992552217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8663156 + ... + 8663385.

It is an arithmetic number, because the mean of its divisors is an integer number (311877756).

Almost surely, 2^1992552215 is an apocalyptic number.

1992552215 is a deficient number, since it is larger than the sum of its proper divisors (502469833).

1992552215 is a wasteful number, since it uses less digits than its factorization.

1992552215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17326569.

The product of its digits is 81000, while the sum is 41.

The square root of 1992552215 is about 44638.0131166252. The cubic root of 1992552215 is about 1258.3551677083.

The spelling of 1992552215 in words is "one billion, nine hundred ninety-two million, five hundred fifty-two thousand, two hundred fifteen".