2215364306442 has 48 divisors (see below), whose sum is σ = 5155173033120. Its totient is φ = 632831035872.

The previous prime is 2215364306437. The next prime is 2215364306459. The reversal of 2215364306442 is 2446034635122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2215364306394 and 2215364306403.

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, 661309 + ... + 2206367.

It is an arithmetic number, because the mean of its divisors is an integer number (107399438190).

Almost surely, 2^{2215364306442} is an apocalyptic number.

2215364306442 is an abundant number, since it is smaller than the sum of its proper divisors (2939808726678).

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

2215364306442 is a wasteful number, since it uses less digits than its factorization.

2215364306442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549955 (or 1549948 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 2215364306442 in words is "two trillion, two hundred fifteen billion, three hundred sixty-four million, three hundred six thousand, four hundred forty-two".