22215515112094 has 4 divisors (see below), whose sum is σ = 33323272668144. Its totient is φ = 11107757556046.

The previous prime is 22215515112067. The next prime is 22215515112107. The reversal of 22215515112094 is 49021151551222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22215515112094² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553878778022 + ... + 5553878778025.

It is an arithmetic number, because the mean of its divisors is an integer number (8330818167036).

Almost surely, 2^{22215515112094} is an apocalyptic number.

22215515112094 is a deficient number, since it is larger than the sum of its proper divisors (11107757556050).

22215515112094 is a wasteful number, since it uses less digits than its factorization.

22215515112094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107757556049.

The product of its (nonzero) digits is 72000, while the sum is 40.

The spelling of 22215515112094 in words is "twenty-two trillion, two hundred fifteen billion, five hundred fifteen million, one hundred twelve thousand, ninety-four".