102215022 has 128 divisors (see below), whose sum is σ = 270950400. Its totient is φ = 24955776.

The previous prime is 102215021. The next prime is 102215023. The reversal of 102215022 is 220512201.

It is an interprime number because it is at equal distance from previous prime (102215021) and next prime (102215023).

It is a junction number, because it is equal to n+sod(n) for n = 102214992 and 102215010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102215021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 611983 + ... + 612149.

It is an arithmetic number, because the mean of its divisors is an integer number (2116800).

Almost surely, 2^102215022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102215022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135475200).

102215022 is an abundant number, since it is smaller than the sum of its proper divisors (168735378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102215022 is a wasteful number, since it uses less digits than its factorization.

102215022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 102215022 is about 10110.1445093530. The cubic root of 102215022 is about 467.5609605274.

Adding to 102215022 its reverse (220512201), we get a palindrome (322727223).

The spelling of 102215022 in words is "one hundred two million, two hundred fifteen thousand, twenty-two".