21225334153222 has 16 divisors (see below), whose sum is σ = 32199087546000. Its totient is φ = 10492329830400.

The previous prime is 21225334153183. The next prime is 21225334153237. The reversal of 21225334153222 is 22235143352212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4500972 + ... + 7918927.

It is an arithmetic number, because the mean of its divisors is an integer number (2012442971625).

Almost surely, 2^{21225334153222} is an apocalyptic number.

21225334153222 is a deficient number, since it is larger than the sum of its proper divisors (10973753392778).

21225334153222 is a wasteful number, since it uses less digits than its factorization.

21225334153222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12429591.

The product of its digits is 172800, while the sum is 37.

The spelling of 21225334153222 in words is "twenty-one trillion, two hundred twenty-five billion, three hundred thirty-four million, one hundred fifty-three thousand, two hundred twenty-two".