2151022 has 8 divisors (see below), whose sum is σ = 3281400. Its totient is φ = 1057224.

The previous prime is 2151013. The next prime is 2151031. The reversal of 2151022 is 2201512.

It is an interprime number because it is at equal distance from previous prime (2151013) and next prime (2151031).

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

It is a junction number, because it is equal to n+sod(n) for n = 2150993 and 2151011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8997 + ... + 9232.

It is an arithmetic number, because the mean of its divisors is an integer number (410175).

2^2151022 is an apocalyptic number.

2151022 is a deficient number, since it is larger than the sum of its proper divisors (1130378).

2151022 is a wasteful number, since it uses less digits than its factorization.

2151022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18290.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2151022 is about 1466.6362875642. The cubic root of 2151022 is about 129.0867353312.

Adding to 2151022 its reverse (2201512), we get a palindrome (4352534).

The spelling of 2151022 in words is "two million, one hundred fifty-one thousand, twenty-two".