244101621 has 16 divisors (see below), whose sum is σ = 330670080. Its totient is φ = 160142640.

The previous prime is 244101587. The next prime is 244101631. The reversal of 244101621 is 126101442.

It is a happy number.

It is not a de Polignac number, because 244101621 - 2¹⁹ = 243577333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244101631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220756 + ... + 221858.

It is an arithmetic number, because the mean of its divisors is an integer number (20666880).

Almost surely, 2^244101621 is an apocalyptic number.

It is an amenable number.

244101621 is a deficient number, since it is larger than the sum of its proper divisors (86568459).

244101621 is a wasteful number, since it uses less digits than its factorization.

244101621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 244101621 is about 15623.7518221457. The cubic root of 244101621 is about 624.9667148141.

The spelling of 244101621 in words is "two hundred forty-four million, one hundred one thousand, six hundred twenty-one".