221452726273014 has 128 divisors (see below), whose sum is σ = 470529329909760. Its totient is φ = 69363252556416.

The previous prime is 221452726273007. The next prime is 221452726273073. The reversal of 221452726273014 is 410372627254122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2462647857 + ... + 2462737779.

It is an arithmetic number, because the mean of its divisors is an integer number (3676010389920).

Almost surely, 2^{221452726273014} is an apocalyptic number.

221452726273014 is an abundant number, since it is smaller than the sum of its proper divisors (249076603636746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221452726273014 is a wasteful number, since it uses less digits than its factorization.

221452726273014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91186.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 221452726273014 in words is "two hundred twenty-one trillion, four hundred fifty-two billion, seven hundred twenty-six million, two hundred seventy-three thousand, fourteen".