221023005254 has 16 divisors (see below), whose sum is σ = 336236002560. Its totient is φ = 108944634120.

The previous prime is 221023005223. The next prime is 221023005277. The reversal of 221023005254 is 452500320122.

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, 1548017 + ... + 1684755.

It is an arithmetic number, because the mean of its divisors is an integer number (21014750160).

Almost surely, 2^221023005254 is an apocalyptic number.

221023005254 is a deficient number, since it is larger than the sum of its proper divisors (115212997306).

221023005254 is a wasteful number, since it uses less digits than its factorization.

221023005254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148195.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 221023005254 its reverse (452500320122), we get a palindrome (673523325376).

The spelling of 221023005254 in words is "two hundred twenty-one billion, twenty-three million, five thousand, two hundred fifty-four".