4221553442 has 16 divisors (see below), whose sum is σ = 6491688192. Its totient is φ = 2057999520.

The previous prime is 4221553367. The next prime is 4221553451. The reversal of 4221553442 is 2443551224.

It is a junction number, because it is equal to n+sod(n) for n = 4221553399 and 4221553408.

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, 60659 + ... + 110102.

It is an arithmetic number, because the mean of its divisors is an integer number (405730512).

Almost surely, 2^4221553442 is an apocalyptic number.

4221553442 is a deficient number, since it is larger than the sum of its proper divisors (2270134750).

4221553442 is a wasteful number, since it uses less digits than its factorization.

4221553442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171073.

The product of its digits is 38400, while the sum is 32.

The square root of 4221553442 is about 64973.4826063680. The cubic root of 4221553442 is about 1616.1838542841.

The spelling of 4221553442 in words is "four billion, two hundred twenty-one million, five hundred fifty-three thousand, four hundred forty-two".