22151402546 has 16 divisors (see below), whose sum is σ = 40894897344. Its totient is φ = 8763192144.

The previous prime is 22151402531. The next prime is 22151402549. The reversal of 22151402546 is 64520415122.

It is not an unprimeable number, because it can be changed into a prime (22151402549) 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, 60855320 + ... + 60855683.

It is an arithmetic number, because the mean of its divisors is an integer number (2555931084).

Almost surely, 2^22151402546 is an apocalyptic number.

22151402546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22151402546 is a deficient number, since it is larger than the sum of its proper divisors (18743494798).

22151402546 is a wasteful number, since it uses less digits than its factorization.

22151402546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121711025.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 22151402546 its reverse (64520415122), we get a palindrome (86671817668).

The spelling of 22151402546 in words is "twenty-two billion, one hundred fifty-one million, four hundred two thousand, five hundred forty-six".