21224034435395 has 16 divisors (see below), whose sum is σ = 27797884218720. Its totient is φ = 15428053804800.

The previous prime is 21224034435377. The next prime is 21224034435431. The reversal of 21224034435395 is 59353443042212.

It is a happy number.

It is not a de Polignac number, because 21224034435395 - 2¹⁶ = 21224034369859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94982426 + ... + 95205615.

It is an arithmetic number, because the mean of its divisors is an integer number (1737367763670).

Almost surely, 2^{21224034435395} is an apocalyptic number.

21224034435395 is a deficient number, since it is larger than the sum of its proper divisors (6573849783325).

21224034435395 is a wasteful number, since it uses less digits than its factorization.

21224034435395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190190086.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 21224034435395 in words is "twenty-one trillion, two hundred twenty-four billion, thirty-four million, four hundred thirty-five thousand, three hundred ninety-five".