10722221154 has 32 divisors (see below), whose sum is σ = 23940108480. Its totient is φ = 3557131200.

The previous prime is 10722221143. The next prime is 10722221173. The reversal of 10722221154 is 45112222701.

It is a happy number.

It is a super-2 number, since 2×10722221154² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459127 + ... + 481914.

It is an arithmetic number, because the mean of its divisors is an integer number (748128390).

Almost surely, 2^10722221154 is an apocalyptic number.

10722221154 is an abundant number, since it is smaller than the sum of its proper divisors (13217887326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10722221154 is a wasteful number, since it uses less digits than its factorization.

10722221154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941263 (or 941257 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

Adding to 10722221154 its reverse (45112222701), we get a palindrome (55834443855).

The spelling of 10722221154 in words is "ten billion, seven hundred twenty-two million, two hundred twenty-one thousand, one hundred fifty-four".