22150554403 has 4 divisors (see below), whose sum is σ = 22865088448. Its totient is φ = 21436020360.

The previous prime is 22150554397. The next prime is 22150554427. The reversal of 22150554403 is 30445505122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22150554403 - 2⁹ = 22150553891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 714534013 = 22150554403 / (2 + 2 + 1 + 5 + 0 + 5 + 5 + 4 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22150554463) 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, 357266976 + ... + 357267037.

It is an arithmetic number, because the mean of its divisors is an integer number (5716272112).

Almost surely, 2^22150554403 is an apocalyptic number.

22150554403 is a deficient number, since it is larger than the sum of its proper divisors (714534045).

22150554403 is an equidigital number, since it uses as much as digits as its factorization.

22150554403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714534044.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 22150554403 in words is "twenty-two billion, one hundred fifty million, five hundred fifty-four thousand, four hundred three".