1054306221 has 8 divisors (see below), whose sum is σ = 1488432384. Its totient is φ = 661525440.

The previous prime is 1054306217. The next prime is 1054306229. The reversal of 1054306221 is 1226034501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1054306221 - 2² = 1054306217 is a prime.

It is a super-2 number, since 2×1054306221² = 2223123215278601682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054306191 and 1054306200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054306229) 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, 10336285 + ... + 10336386.

It is an arithmetic number, because the mean of its divisors is an integer number (186054048).

Almost surely, 2^1054306221 is an apocalyptic number.

It is an amenable number.

1054306221 is a deficient number, since it is larger than the sum of its proper divisors (434126163).

1054306221 is a wasteful number, since it uses less digits than its factorization.

1054306221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20672691.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1054306221 is about 32470.0819370694. The cubic root of 1054306221 is about 1017.7839306469.

The spelling of 1054306221 in words is "one billion, fifty-four million, three hundred six thousand, two hundred twenty-one".