554220131 has 4 divisors (see below), whose sum is σ = 573331200. Its totient is φ = 535109064.

The previous prime is 554220127. The next prime is 554220137. The reversal of 554220131 is 131022455.

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 554220131 - 2² = 554220127 is a prime.

It is a super-2 number, since 2×554220131² = 614319907211314322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 554220097 and 554220106.

It is not an unprimeable number, because it can be changed into a prime (554220137) 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, 9555491 + ... + 9555548.

It is an arithmetic number, because the mean of its divisors is an integer number (143332800).

Almost surely, 2^554220131 is an apocalyptic number.

554220131 is a deficient number, since it is larger than the sum of its proper divisors (19111069).

554220131 is a wasteful number, since it uses less digits than its factorization.

554220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19111068.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 554220131 is about 23541.8803624519. The cubic root of 554220131 is about 821.4114749280.

Adding to 554220131 its reverse (131022455), we get a palindrome (685242586).

The spelling of 554220131 in words is "five hundred fifty-four million, two hundred twenty thousand, one hundred thirty-one".