49221001 has 16 divisors (see below), whose sum is σ = 55460160. Its totient is φ = 43407360.

The previous prime is 49220993. The next prime is 49221043. The reversal of 49221001 is 10012294.

It is a cyclic number.

It is not a de Polignac number, because 49221001 - 2³ = 49220993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49221001.

It is not an unprimeable number, because it can be changed into a prime (49221071) 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, 30546 + ... + 32116.

It is an arithmetic number, because the mean of its divisors is an integer number (3466260).

Almost surely, 2^49221001 is an apocalyptic number.

It is an amenable number.

49221001 is a deficient number, since it is larger than the sum of its proper divisors (6239159).

49221001 is a wasteful number, since it uses less digits than its factorization.

49221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 49221001 is about 7015.7680263817. The cubic root of 49221001 is about 366.4798889867.

Adding to 49221001 its reverse (10012294), we get a palindrome (59233295).

The spelling of 49221001 in words is "forty-nine million, two hundred twenty-one thousand, one".