44698221 has 12 divisors (see below), whose sum is σ = 64901148. Its totient is φ = 29643264.

The previous prime is 44698201. The next prime is 44698237. The reversal of 44698221 is 12289644.

It can be written as a sum of positive squares in 2 ways, for example, as 6320196 + 38378025 = 2514^2 + 6195^2 .

It is a de Polignac number, because none of the positive numbers 2^k-44698221 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44698201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11130 + ... + 14603.

It is an arithmetic number, because the mean of its divisors is an integer number (5408429).

Almost surely, 2^44698221 is an apocalyptic number.

It is an amenable number.

44698221 is a deficient number, since it is larger than the sum of its proper divisors (20202927).

44698221 is a wasteful number, since it uses less digits than its factorization.

44698221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25932 (or 25929 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 44698221 is about 6685.6728158055. The cubic root of 44698221 is about 354.8924384838.

The spelling of 44698221 in words is "forty-four million, six hundred ninety-eight thousand, two hundred twenty-one".