22071200151 has 64 divisors (see below), whose sum is σ = 40580176896. Its totient is φ = 10297497600.

The previous prime is 22071200101. The next prime is 22071200159. The reversal of 22071200151 is 15100217022.

It is not a de Polignac number, because 22071200151 - 2⁶ = 22071200087 is a prime.

It is a super-2 number, since 2×22071200151² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22071200159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11791 + ... + 210431.

It is an arithmetic number, because the mean of its divisors is an integer number (634065264).

Almost surely, 2^22071200151 is an apocalyptic number.

22071200151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22071200151 is a deficient number, since it is larger than the sum of its proper divisors (18508976745).

22071200151 is a wasteful number, since it uses less digits than its factorization.

22071200151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198712.

The product of its (nonzero) digits is 280, while the sum is 21.

Adding to 22071200151 its reverse (15100217022), we get a palindrome (37171417173).

It can be divided in two parts, 22071 and 200151, that added together give a palindrome (222222).

The spelling of 22071200151 in words is "twenty-two billion, seventy-one million, two hundred thousand, one hundred fifty-one".