102215473 has 8 divisors (see below), whose sum is σ = 106823808. Its totient is φ = 97620864.

The previous prime is 102215467. The next prime is 102215527. The reversal of 102215473 is 374512201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102215473 - 2⁹ = 102214961 is a prime.

It is a super-2 number, since 2×102215473² = 20896005841227458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102215453) 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, 13665 + ... + 19777.

It is an arithmetic number, because the mean of its divisors is an integer number (13352976).

Almost surely, 2^102215473 is an apocalyptic number.

It is an amenable number.

102215473 is a deficient number, since it is larger than the sum of its proper divisors (4608335).

102215473 is an equidigital number, since it uses as much as digits as its factorization.

102215473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6863.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 102215473 is about 10110.1668136584. The cubic root of 102215473 is about 467.5616481944.

Adding to 102215473 its reverse (374512201), we get a palindrome (476727674).

The spelling of 102215473 in words is "one hundred two million, two hundred fifteen thousand, four hundred seventy-three".