2122145534 has 4 divisors (see below), whose sum is σ = 3183218304. Its totient is φ = 1061072766.

The previous prime is 2122145521. The next prime is 2122145561. The reversal of 2122145534 is 4355412212.

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

It is a super-2 number, since 2×2122145534² = 9007003334952290312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2122145497 and 2122145506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530536382 + ... + 530536385.

It is an arithmetic number, because the mean of its divisors is an integer number (795804576).

Almost surely, 2^2122145534 is an apocalyptic number.

2122145534 is a deficient number, since it is larger than the sum of its proper divisors (1061072770).

2122145534 is a wasteful number, since it uses less digits than its factorization.

2122145534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061072769.

The product of its digits is 9600, while the sum is 29.

The square root of 2122145534 is about 46066.7508513461. The cubic root of 2122145534 is about 1285.0648796646.

Adding to 2122145534 its reverse (4355412212), we get a palindrome (6477557746).

The spelling of 2122145534 in words is "two billion, one hundred twenty-two million, one hundred forty-five thousand, five hundred thirty-four".