Search a number
-
+
10222037621 = 13973539839
BaseRepresentation
bin10011000010100011…
…11110101001110101
3222101101120022110222
421201101332221311
5131413320200441
64410153424125
7511211612645
oct114121765165
928341508428
1010222037621
11437608a184
121b9340b045
13c6b9bc493
146cd840525
153ec61bd4b
hex26147ea75

10222037621 has 4 divisors (see below), whose sum is σ = 10295577600. Its totient is φ = 10148497644.

The previous prime is 10222037603. The next prime is 10222037663. The reversal of 10222037621 is 12673022201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10222037621 - 210 = 10222036597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222037921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36769781 + ... + 36770058.

It is an arithmetic number, because the mean of its divisors is an integer number (2573894400).

Almost surely, 210222037621 is an apocalyptic number.

It is an amenable number.

10222037621 is a deficient number, since it is larger than the sum of its proper divisors (73539979).

10222037621 is an equidigital number, since it uses as much as digits as its factorization.

10222037621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73539978.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 10222037621 its reverse (12673022201), we get a palindrome (22895059822).

The spelling of 10222037621 in words is "ten billion, two hundred twenty-two million, thirty-seven thousand, six hundred twenty-one".

Divisors: 1 139 73539839 10222037621