2234154621 has 4 divisors (see below), whose sum is σ = 2978872832. Its totient is φ = 1489436412.

The previous prime is 2234154617. The next prime is 2234154631. The reversal of 2234154621 is 1264514322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2234154621 - 2² = 2234154617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2234154631) 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, 372359101 + ... + 372359106.

It is an arithmetic number, because the mean of its divisors is an integer number (744718208).

Almost surely, 2^2234154621 is an apocalyptic number.

It is an amenable number.

2234154621 is a deficient number, since it is larger than the sum of its proper divisors (744718211).

2234154621 is an equidigital number, since it uses as much as digits as its factorization.

2234154621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744718210.

The product of its digits is 11520, while the sum is 30.

The square root of 2234154621 is about 47266.8448386393. The cubic root of 2234154621 is about 1307.2874003547.

Adding to 2234154621 its reverse (1264514322), we get a palindrome (3498668943).

The spelling of 2234154621 in words is "two billion, two hundred thirty-four million, one hundred fifty-four thousand, six hundred twenty-one".