2154501322 has 4 divisors (see below), whose sum is σ = 3231751986. Its totient is φ = 1077250660.

The previous prime is 2154501317. The next prime is 2154501331. The reversal of 2154501322 is 2231054512.

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

It can be written as a sum of positive squares in only one way, i.e., 1377820161 + 776681161 = 37119^2 + 27869^2 .

It is a super-3 number, since 3×2154501322³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538625329 + ... + 538625332.

Almost surely, 2^2154501322 is an apocalyptic number.

2154501322 is a deficient number, since it is larger than the sum of its proper divisors (1077250664).

2154501322 is a wasteful number, since it uses less digits than its factorization.

2154501322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077250663.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2154501322 is about 46416.6061016960. The cubic root of 2154501322 is about 1291.5629798161.

Adding to 2154501322 its reverse (2231054512), we get a palindrome (4385555834).

The spelling of 2154501322 in words is "two billion, one hundred fifty-four million, five hundred one thousand, three hundred twenty-two".