30689022 has 32 divisors (see below), whose sum is σ = 75543552. Its totient is φ = 8093664.

The previous prime is 30689003. The next prime is 30689023. The reversal of 30689022 is 22098603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30689023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27558 + ... + 28649.

It is an arithmetic number, because the mean of its divisors is an integer number (2360736).

Almost surely, 2^30689022 is an apocalyptic number.

30689022 is an abundant number, since it is smaller than the sum of its proper divisors (44854530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30689022 is a wasteful number, since it uses less digits than its factorization.

30689022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56232.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 30689022 is about 5539.7673236337. The cubic root of 30689022 is about 313.0841026502.

It can be divided in two parts, 3068 and 9022, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 30689022 in words is "thirty million, six hundred eighty-nine thousand, twenty-two".