10154402221 has 8 divisors (see below), whose sum is σ = 10267305984. Its totient is φ = 10042013520.

The previous prime is 10154402207. The next prime is 10154402231. The reversal of 10154402221 is 12220445101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10154402221 - 2¹⁹ = 10153877933 is a prime.

It is a super-2 number, since 2×10154402221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10154402192 and 10154402201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10154402231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89050 + ... + 168043.

It is an arithmetic number, because the mean of its divisors is an integer number (1283413248).

Almost surely, 2^10154402221 is an apocalyptic number.

It is an amenable number.

10154402221 is a deficient number, since it is larger than the sum of its proper divisors (112903763).

10154402221 is a wasteful number, since it uses less digits than its factorization.

10154402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257531.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 10154402221 its reverse (12220445101), we get a palindrome (22374847322).

The spelling of 10154402221 in words is "ten billion, one hundred fifty-four million, four hundred two thousand, two hundred twenty-one".